Q: What are the prime factors of the number 763,606,720?

 A: 2, 5, 2386271

Why are those the prime factors of the number 763,606,720?

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 763,606,720

763,606,720
Factor Arrows
2381,803,360
Factor Arrows
2190,901,680
Factor Arrows
295,450,840
Factor Arrows
247,725,420
Factor Arrows
223,862,710
Factor Arrows
211,931,355
Factor Arrows
52,386,271

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, 2386271

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 5 x 2,386,271 = 763,606,720

This can also be written as 26 x 51 x 2,386,2711 = 763,606,720

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


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