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Take the number 3336. You know it's divisible by 1 because everything is. You know it's divisible by 2 because it's even. You know it's divisible by 3 because the digits add up to a multiple of 3 and you know it's divisible by 4 because the last two digits are divisible by 4. So you've found at least four factors: 1,2,3 and 4.

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12y ago
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10y ago

Just think of one. All numbers are divisible. But that's probably not what you wanted to know. It's more likely you want to know how to find what a number is divisible by. For that, it is necessary to familiarize yourself with the rules of divisibility.

If the number is even, it's divisible by 2.

If the sum of the digits is a multiple of 3, the whole number is divisible by 3.

If the last two digits are a multiple of 4, the whole number is divisible by 4.

If the last digit is a 0 or a 5, the whole number is divisible by 5.

If the number is even and divisible by 3, it's divisible by 6.

If the last digit doubled subtracted from the rest is a multiple of 7, the whole number is divisible by 7.

If the last three digits are a multiple of 8, the whole number is divisible by 8.

If the sum of the digits is a multiple of 9, the whole number is divisible by 9.

If the number ends in 0, it's divisible by 10.

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10y ago

A number is considered divisible by another number when the quotient between the two is a whole number.

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Q: How do you use divisibility rules to find at least for factors of a number?
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How divisibility rules can help you find common factors?

Divisibility rules help you find the factors of a number. Once you've found the factors for two or more numbers, you can find what they have in common. Take 231 and 321. If you know the divisibility rules, you know that they are both divisible by 3, so 3 is a common factor.


What are reasons of using the disivility rules?

You can always check on the divisibility of a number by dividing it into another number. But if you know the divisibility rules, you can get that information easier and faster.


What is the official definition for multiples and factors?

Factors: Are numbers that are multiplied to make a product. You always have to write the factors in order. If you need to find the factors of a number you can use divisibility rules. (they are used to know if a number is divisible by another numberDivisibility rules: by 2 : if the number ends in an even number, 2,4,6,8....by 3: if the addition of the number is a multiple of 3by 4 : if the last two numbers are divisible by 4( zero is an exception)by 5: if the number ends in 0 or 5by 6: if the number is divisible by 2 and 3by 9: if the addition of the number is a multiple of 9by 10: if the number ends in 0.Example: the factors of 1,2,4,8,16 16 is divisible by those numbers.1x16 2x8 4x4Multiple: Is the product of a number multiplied with any other factor or factors.Multiples are endless!!!Example the first 10 multiples of 6 are: 6,12,18,24,30,36,42,48,54, 60the first 10 multiples of 2 are:2,4,6,8,10,12,14,16,18,20


How divisibility rules can help you find the prime factorization?

Suppose you were trying to find the prime factorization of 123. You know that half of the divisors will be less than the square root. Since the square root is between 11 and 12, you only need to test 2, 3, 5, 7 and 11 as prime factors. If you know the rules of divisibility, you already know that 2 and 5 aren't factors and 3 is. It saves time.


What are the divisibility rules for 16 to 20?

Just doing the division is simpler, in most cases.

Related questions

What are the divisibility rules to find at least four factors of the number 312?

use divisibility rules to find at least four factors of the number 19


How divisibility rules can help you find common factors?

Divisibility rules help you find the factors of a number. Once you've found the factors for two or more numbers, you can find what they have in common. Take 231 and 321. If you know the divisibility rules, you know that they are both divisible by 3, so 3 is a common factor.


What is the divisibility rules for 17?

17 is a prime number meaning it is not divisible by anything. There are no factors of 17.


How can divisibility rules help you find the prime factorization of a number?

they can help you by finding the two factors of the number given


How is understanding factors help you write divisibility rules?

fractions help you write out divisibility rules because divisibility rules help with fractions . Glad I would help good bye


How can knowing the divisibility rules help to determine if a number is prime or composite?

Knowing the divisibility rules will help you by being able to recognize if a number has factors (other than one and itself) which are covered by the rules. This will save actually having to start doing divisions.


Which numbers from the divisibility rules list divide the number 1840?

The answer will depend on the divisibility rules list.


What are the divisibility rules of all prime numbers?

The divisibility rules for a prime number is if it is ONLY divisible by 1, and itself.


How understanding factors help to write divisibility rules?

Factors of numbers are divisible by them with no remainders


What are reasons of using the disivility rules?

You can always check on the divisibility of a number by dividing it into another number. But if you know the divisibility rules, you can get that information easier and faster.


What number goes into all of the divisibility rules?

The number 0.


What are divisibility rules used for in real life?

You use divisibility rules t determine whether a particular number is (or is not) a factor of another number. If it is a factor, you can reduce the numbers involved to smaller numbers.You might want to find factors to simplify fractions or to add or subtract factions.