Q: What are the prime factors of the number 767,525,440?

 A: 2, 5, 11, 218047

Why are those the prime factors of the number 767,525,440?

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 767,525,440

767,525,440
Factor Arrows
2383,762,720
Factor Arrows
2191,881,360
Factor Arrows
295,940,680
Factor Arrows
247,970,340
Factor Arrows
223,985,170
Factor Arrows
211,992,585
Factor Arrows
52,398,517
Factor Arrows
11218,047

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, 11, 218047

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 11 x 218,047 = 767,525,440

This can also be written as 26 x 51 x 111 x 218,0471 = 767,525,440

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


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