Q: What are the prime factors of the number 766,363,360?

 A: 2, 5, 7, 617, 1109

Why are those the prime factors of the number 766,363,360?

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 766,363,360

766,363,360
Factor Arrows
2383,181,680
Factor Arrows
2191,590,840
Factor Arrows
295,795,420
Factor Arrows
247,897,710
Factor Arrows
223,948,855
Factor Arrows
54,789,771
Factor Arrows
7684,253
Factor Arrows
6171,109

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, 617, 1109

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 7 x 617 x 1,109 = 766,363,360

This can also be written as 25 x 51 x 71 x 6171 x 1,1091 = 766,363,360

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


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