Prime factorization of 45 is 3x3x5.
Prime factorization of 65 is 5x13.
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1, 5, 13, 65 5 and 13 are prime.
No 65 is not prime since it has factors of 1 and 65 or 1*65=65 and 5 and 13 or 5*13=65. Prime numbers have only 1 and that number as its factors.
45 has two prime factors: 3 and 5.
The factors of 45 are 1,3,5,9 and 15 those are the factors of 45.
The factors of 45 are 1, 3, 5, 9, 15, 45 Of those, 3 and 5 are prime numbers. The prime factors of 45 are 3 and 5.