Q: What are the prime factors of the number 70,253,676?

 A: 2, 3, 37, 17581

Why are those the prime factors of the number 70,253,676?

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 70,253,676

70,253,676
Factor Arrows
235,126,838
Factor Arrows
217,563,419
Factor Arrows
35,854,473
Factor Arrows
31,951,491
Factor Arrows
3650,497
Factor Arrows
3717,581

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, 37, 17581

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 37 x 17,581 = 70,253,676

This can also be written as 22 x 33 x 371 x 17,5811 = 70,253,676

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


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