Q: What are the prime factors of the number 76,726,356?

 A: 2, 3, 7, 2663

Why are those the prime factors of the number 76,726,356?

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 76,726,356

76,726,356
Factor Arrows
238,363,178
Factor Arrows
219,181,589
Factor Arrows
36,393,863
Factor Arrows
7913,409
Factor Arrows
7130,487
Factor Arrows
718,641
Factor Arrows
72,663

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, 7, 2663

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 7 x 7 x 7 x 2,663 = 76,726,356

This can also be written as 22 x 31 x 74 x 2,6631 = 76,726,356

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


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