Its prime factors are: 5, 7 and 13
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455 = 5 x 7 x 13
ANSWER: 5, 7, 135 * 7 * 13 = 455
The number 455 ends with a 5, thus it is divisible by 5; 455/5 = 91. 91 is a tricky number, because it's hard to tell that it's not prime. If you couldn't see that 91 is divisible by 7, then I recommend expanding your multiplication table for 7. 91/7 = 13, and since both 7 and 13 are prime numbers, the prime factorization of 455 is 5 X 7 X 13.
The prime factorization of 455 is: 5 x 7 x 13
The prime factors of 455 are 5 x 7 x 13