Q: What are the prime factors of the number 700,314,440?

 A: 2, 5, 7, 41, 53, 1151

Why are those the prime factors of the number 700,314,440?

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 700,314,440

700,314,440
Factor Arrows
2350,157,220
Factor Arrows
2175,078,610
Factor Arrows
287,539,305
Factor Arrows
517,507,861
Factor Arrows
72,501,123
Factor Arrows
4161,003
Factor Arrows
531,151

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, 7, 41, 53, 1151

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 7 x 41 x 53 x 1,151 = 700,314,440

This can also be written as 23 x 51 x 71 x 411 x 531 x 1,1511 = 700,314,440

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


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