Q: What are the prime factors of the number 71,068,070?

 A: 2, 5, 457, 15551

Why are those the prime factors of the number 71,068,070?

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 71,068,070

71,068,070
Factor Arrows
235,534,035
Factor Arrows
57,106,807
Factor Arrows
45715,551

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, 5, 457, 15551

We can check our work by multiplying all of the prime factors together: 2 x 5 x 457 x 15,551 = 71,068,070

This can also be written as 21 x 51 x 4571 x 15,5511 = 71,068,070

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


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