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# What number has two digits have only six factors and is divisible by fifteen?

Updated: 8/17/2019 Wiki User

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## A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Q: What number has two digits have only six factors and is divisible by fifteen?
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### A number is divisible by 4 if the tens and one digits.?

A number is divisible by 4 if the last two digits are divisible by 4.A number is divisible by 4 if the last two digits are divisible by 4.A number is divisible by 4 if the last two digits are divisible by 4.A number is divisible by 4 if the last two digits are divisible by 4.

### How do you explain that even without listing all the factors of a number it is easy to tell that they are composite numbers?

To know if a number is composite without listing its factors, you can use these rules:All numbers that end with 2, 4, 6, 8, and 0 (even numbers) are divisible by 2.If the sum of the digits in a number is divisible by 3, the number is divisible by 3.If the last two digits are divisible by 4, the number is divisible by 4.All numbers that have 5 in the one's place are divisible by 5.If a number is divisible by 2 AND is divisible by 3, it is divisible by 6.If the last 3 digits of a number are divisible by 8, the number is divisible by 8.If the sum of the digits of number is divisible by 9, the number is divisible by 9.If a number ends wuth 0, the number is divisible by 10.

### Why is fifteen a composite number?

because it has more than two factors.

### A number is divisible by 3 if the blank is divisible by 3?

A number is divisible by 3 if the sum of its digits is divisible by 3.

### Indentify the conclusion what conditional a number is divisible by 3 if the sum of the digits of the number is divisible by 3?

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

### Is there a number 3 in the factors of 112?

A number is divisible by 3 only if the sum of its digits is. 1+1+2=4, which is not divisible by 3, therefore 112 is not.

### Is 1 trillion 17 a prime number?

Since the sum of the digits is divisible by 3, the original number is also divisible by 3.Since the sum of the digits is divisible by 3, the original number is also divisible by 3.Since the sum of the digits is divisible by 3, the original number is also divisible by 3.Since the sum of the digits is divisible by 3, the original number is also divisible by 3.

### Is 81 prime number?

81 has factors other than 1 and itself, so it is not a prime number. For example, it is divisible by 3. (You can check this by adding the digits of the number: 8 + 1 = 9. If the sum of the digits is divisible by 3, the number is also divisible by 3.) Therefore, 81 is a composite number.

### What is the smallest number consisting of only zeros's and one's that is divisible by fifteen?

To be divisible by 15, it must also be divisible by 3 and by 5. To be divisible by 3, the sum of the digits must be divisible by 3; to be divisible by 5, the number must end with a zero or a five. Considering all these criteria, I guess that number would be 1110.

### Explain why 21 is not a prime number?

21 has factors other than 1 and itself, so it is not a prime number. For example, it is divisible by 3. (You can check this by adding the digits of the number: 2 + 1 = 3. If the sum of the digits is divisible by 3, the number is also divisible by 3.) Therefore, 21 is a composite number.

### How do you know if a number is divisible by 4?

Get the last two digits of the number. If that number is divisible by 4 then that number is divisible by 4. Example : 2393844 The last two digits are 44 and since 44/4 = 11 or 44 is divisible by 4 then the number 2,393,844 is divisible by 4.

### Is 9101997 a prime number?

9101997 has factors other than 1 and itself, so it is not a prime number. For example, it is divisible by 3. (You can check this by adding the digits of the number: 9 + 1 + 0 + 1 + 9 + 9 + 7 = 36, which is divisible by 3. If the sum of the digits is divisible by 3, the number is also divisible by 3.) Therefore, 9101997 is a composite number.