Q: What are the prime factors of the number 76,340,672?

 A: 2, 1192823

Why are those the prime factors of the number 76,340,672?

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 76,340,672

76,340,672
Factor Arrows
238,170,336
Factor Arrows
219,085,168
Factor Arrows
29,542,584
Factor Arrows
24,771,292
Factor Arrows
22,385,646
Factor Arrows
21,192,823

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, 1192823

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 1,192,823 = 76,340,672

This can also be written as 26 x 1,192,8231 = 76,340,672

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


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