Q: What are the prime factors of the number 77,632,506?

 A: 2, 3, 7, 17, 4027

Why are those the prime factors of the number 77,632,506?

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 77,632,506

77,632,506
Factor Arrows
238,816,253
Factor Arrows
312,938,751
Factor Arrows
34,312,917
Factor Arrows
31,437,639
Factor Arrows
3479,213
Factor Arrows
768,459
Factor Arrows
174,027

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, 17, 4027

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 7 x 17 x 4,027 = 77,632,506

This can also be written as 21 x 34 x 71 x 171 x 4,0271 = 77,632,506

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


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