Q: What are the prime factors of the number 172,464,492?

 A: 2, 3, 449, 32009

Why are those the prime factors of the number 172,464,492?

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 172,464,492

172,464,492
Factor Arrows
286,232,246
Factor Arrows
243,116,123
Factor Arrows
314,372,041
Factor Arrows
44932,009

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, 3, 449, 32009

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 449 x 32,009 = 172,464,492

This can also be written as 22 x 31 x 4491 x 32,0091 = 172,464,492

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


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