Q: What are the prime factors of the number 70,102,914?

 A: 2, 3, 7, 109, 15313

Why are those the prime factors of the number 70,102,914?

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 70,102,914

70,102,914
Factor Arrows
235,051,457
Factor Arrows
311,683,819
Factor Arrows
71,669,117
Factor Arrows
10915,313

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, 7, 109, 15313

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 109 x 15,313 = 70,102,914

This can also be written as 21 x 31 x 71 x 1091 x 15,3131 = 70,102,914

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


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