Q: What are the prime factors of the number 162,431,253?

 A: 3, 43, 97, 4327

Why are those the prime factors of the number 162,431,253?

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 162,431,253

162,431,253
Factor Arrows
354,143,751
Factor Arrows
318,047,917
Factor Arrows
43419,719
Factor Arrows
974,327

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:

3, 43, 97, 4327

We can check our work by multiplying all of the prime factors together: 3 x 3 x 43 x 97 x 4,327 = 162,431,253

This can also be written as 32 x 431 x 971 x 4,3271 = 162,431,253

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


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