Q: What are the prime factors of the number 701,251,784?

 A: 2, 23, 29, 113, 1163

Why are those the prime factors of the number 701,251,784?

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 701,251,784

701,251,784
Factor Arrows
2350,625,892
Factor Arrows
2175,312,946
Factor Arrows
287,656,473
Factor Arrows
233,811,151
Factor Arrows
29131,419
Factor Arrows
1131,163

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, 23, 29, 113, 1163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 23 x 29 x 113 x 1,163 = 701,251,784

This can also be written as 23 x 231 x 291 x 1131 x 1,1631 = 701,251,784

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


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