Q: What are the prime factors of the number 712,272,240?

 A: 2, 3, 5, 401, 2467

Why are those the prime factors of the number 712,272,240?

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 712,272,240

712,272,240
Factor Arrows
2356,136,120
Factor Arrows
2178,068,060
Factor Arrows
289,034,030
Factor Arrows
244,517,015
Factor Arrows
314,839,005
Factor Arrows
34,946,335
Factor Arrows
5989,267
Factor Arrows
4012,467

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, 5, 401, 2467

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 5 x 401 x 2,467 = 712,272,240

This can also be written as 24 x 32 x 51 x 4011 x 2,4671 = 712,272,240

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


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