Q: What are the prime factors of the number 767,453,742?

 A: 2, 3, 11, 23, 168523

Why are those the prime factors of the number 767,453,742?

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 767,453,742

767,453,742
Factor Arrows
2383,726,871
Factor Arrows
3127,908,957
Factor Arrows
342,636,319
Factor Arrows
113,876,029
Factor Arrows
23168,523

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, 11, 23, 168523

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 11 x 23 x 168,523 = 767,453,742

This can also be written as 21 x 32 x 111 x 231 x 168,5231 = 767,453,742

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


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