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Q: Is 15 a prime number of 45?

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11 is prime.

No, 45 is not a prime number. It is a composite number. A prime number can only be divided by 1 and itself. 45 can also be divided by 3, 5, 9, and 15.

45 Is not a prime number because it has more than 2 factors. A prime number only has itself and 1 as a factor. The factors of 45 are: 1, 3, 5, 9, 15 and 45.

The prime number after 45 is 47.

71 is prime 45 = 3 x 15 51 = 3 x 17

73 is a prime number, but 45 is not a prime number.

the prime number after 45 is 47

1, 3, 5, 9, 15, 45 Composite

45 is NOT a prime number.

The factors of 15 are: 1, 3, 5, and 15.The prime factors of 15 are: 3 and 5.The factors of 45 are: 1, 3, 5, 9, 15, and 45.The prime factors of 45 are: 3 and 5.

45 is not prime. 45 = 3 * 3 * 5The number 45 is known to be a prime number. This learnt in 8th grade math.It is a composite number.45 factors are1,3,5,9,15,45There are more than 2 factors.

3 is one of the prime numbers of 45.

First of all, 45 is not a prime number. The smallest prime bigger than 45 is 47.

The Prime Factors of 45 are 1, 3, and 5. In order to find the prime factors of 45, you need to find the factors of 45. The factors are: 1, 3, 5, 9, 15, and 45. The prime factors of 45 are those that have only 1 and the number itself as factors, so they are 3 and 5. Some think 1 is also a prime number, but it's neither prime nor composite.

The greatest common factor of 45 and 75 is 15, because it is the highest number that will divide into 45 and 75 evenly.The prime factorization of 45 is 3*3*5The prime factorization of 75 is 3*5*5The common prime factors are 3*5 = 15, so that is the GCF.The GCF is 15.It is: 15

45 is a composite number. Its factors are 1, 3, 5, 9, 15, and 45, which makes 45 composite.

The number 45 is not a prime. It can be divided by 3 and 5. The number 5 is prime, and any number ending in 5 is divisible by 5 and will not be prime for that reason.

No, it's a composite number.15 is NOT a prime number.

45 is a composite number because it has factors other than 1 and itself. The factors of 45 are 1, 3, 5, 9, 15, and 45.

45 is a composite number, not a prime. No number greater than 5 that ends in a 5 or 0 is a prime.

Prime Factorization of 90To find the prime factorization of 90, start with the lowest prime number that will divide into 90. That number is 2. 2 times 45 equals 90. 2 is a number in the prime factorization of 90. Next, find the lowest prime number that will divide into 45. The number is 3, and 3 times15 equals 45. 3 is one of the prime factors, so now you have 2 times 3 times 15. 15 is not a prime number, and the lowest prime number that will divide into 15. 3 times 5 is 15. You'll notice that both 3 and 5 are prime numbers, so the prime factorization of 90 is 2 X 3 X 3 X 5. Check your answer to make sure it is correct and you're done.

73 is prime. 45 is neither prime nor square.

The prime factors of 15 are 3 and 5. The prime factors of 45 are 3, 3 and 5.

The least prime number that is greater than 45 is 47.

3*5 = 15 in prime numbers

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