Q: What are the prime factors of the number 465,128?

 A: 2, 53, 1097

Why are those the prime factors of the number 465,128?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 465,128

465,128
Factor Arrows
2232,564
Factor Arrows
2116,282
Factor Arrows
258,141
Factor Arrows
531,097

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 53, 1097

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 53 x 1,097 = 465,128

This can also be written as 23 x 531 x 1,0971 = 465,128

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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