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What number is divisible by 2 3 and 5?
30 is divisible by, and is the least common multiple of, 2, 3, and 5.
How do you factorise a number?
we factorise a number by finding the common factor. example: 2x+6 = 2 is the common factor the 2 is then put outside the bracket 2x+6 = 2(x+3)
What is the LCM of 3 4 5 6 7?
Write down the factors of each number. Hence 3 = 1,3 4 = 1,2,2,4 5 = 1, 5, 6 = 1,2,3,6 7 = 1, 7 Hence 1, is common to all number. 2, is common to two numbers 3, is common to two numbers 5 is common to one number 7 is common to one number. Hence 1 x 2 x 3 x 5 x 7 = 210 the LCM.
What are the common factors 2 3 4?
The common factor of 2 and 3 is: 1 The common factor of 3 and 4 is: 1 The common factors of 2 and 4 are: 1 and 2 The common factor or 2, 3 and 4 is: 1
What are the common numbers for 24 and 39 that's a 2 digget number?
The only common factors of 24 and 39 are 1 and 3.
What is the common multiple of 2 3 and 18?
There an infinite number of common multiples of 2, 3 and 18. The least of these is 18.
What is the greatest common divisor of 3 and 2?
There is none. A common divisor is a number which can be used to divide your quantities with , and finish up with a Whole Number with both of them . EXAMPLE Take the numbers, 6 and 15 The only number which you can divide BOTH of them with, and get a whole number as an answer, is the number 3 This number is called the Common Divisor. Let me do it for you: 6 divided by 3 equals 2. And 15 divided by 3 is 5. How do you find out what the common divisor is ? Answer. Break both the numbers into all the prime number 'factors'. E.g. Factors of 6 are 3 x 2. Factors of 15 are 3 x 5. Now you use the factors which are contained in BOTH of them. They BOTH contain only the number 3 as their COMMON factor. This number 3 is the Common Divisor. Now you can see why (your question ) 3 and 8 do not have any common divisor because the factors of 8 equal 2 x 2 x 2 and the factors of 3 is only 3. They have NOTHING in common , so they have no common divisor. MORE: The number 1 is a comon divisor or common factor, but we ignore that because everyone knows that 1 is a common factor in every number you can think of.
What is the leat common number of 2 and 3?
The LCM is 6.
What is the common oxidation number of cobalt?
The common oxidation states of cobalt are +2 and +3.
What is the greatest common factor for 12 and 20 and 24?
The greatest common factor for 12, 20 and 24 is 4. Individually factorize each number wiht prime numbers (numbers which do not have any factors except for 1 and the number itself) such as 2,3,5,7,11, etc. Then out of all the 3 factorizations, take the common number that appears in all the 3 factors and multiply them. 12 = 2*2*3 20 = 2*2*5 24 = 2*2*2*3 So the common factors in all the 3 numbers is 2*2 = 4. This is the GCF (greatest common factor)
What is the least common number of 2 3 and 7?
Their least common multiple is 42.
How can you find the common factor of a number?
A single number cannot have a common factor. The word "common" implies that the factor is common to two or more numbers. A systematic way of finding a common factor of two or more numbers is first to find the prime factorisation of each of the numbers. The common factors are any primes that appear in each and every on of these factorisations, as well as their products. For example, suppose you want common factors of 24, 36 and 60 12 = 2*2*2*3 18 = 2*2*3*3 30 = 2*2*3*5 The factors common to all three are 2, another 2 and 3. So the common factors are 1, 2, 3, 2*2 = 4, 2*3 = 6 and 2*2*3 = 12.
What is the lowest number divisible by 2 3 and 4?
The least common multiple of 2, 3 and 4 is 12.
What number is divisible by 2 3 and 5?
30 is divisible by, and is the least common multiple of, 2, 3, and 5.
What is the common number of 18 and 30?
1, 2, 3, 6
What number do 54 and 12 have in common?
1, 2, 3 and 6
What number does 24 and 30 have in common?
1, 2, 3 and 6
