Q: What are the prime factors of the number 162,113,391?

 A: 3, 11, 37, 44257

Why are those the prime factors of the number 162,113,391?

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 162,113,391

162,113,391
Factor Arrows
354,037,797
Factor Arrows
318,012,599
Factor Arrows
111,637,509
Factor Arrows
3744,257

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, 11, 37, 44257

We can check our work by multiplying all of the prime factors together: 3 x 3 x 11 x 37 x 44,257 = 162,113,391

This can also be written as 32 x 111 x 371 x 44,2571 = 162,113,391

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


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