Q: What are the prime factors of the number 31,473,363?

 A: 3, 41, 79

Why are those the prime factors of the number 31,473,363?

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 31,473,363

31,473,363
Factor Arrows
310,491,121
Factor Arrows
41255,881
Factor Arrows
416,241
Factor Arrows
7979

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, 41, 79

We can check our work by multiplying all of the prime factors together: 3 x 41 x 41 x 79 x 79 = 31,473,363

This can also be written as 31 x 412 x 792 = 31,473,363

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


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