Q: What are the prime factors of the number 731,441,370?

 A: 2, 3, 5, 11, 201499

Why are those the prime factors of the number 731,441,370?

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 731,441,370

731,441,370
Factor Arrows
2365,720,685
Factor Arrows
3121,906,895
Factor Arrows
524,381,379
Factor Arrows
112,216,489
Factor Arrows
11201,499

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, 5, 11, 201499

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 11 x 11 x 201,499 = 731,441,370

This can also be written as 21 x 31 x 51 x 112 x 201,4991 = 731,441,370

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


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