Q: What are the prime factors of the number 772,501,664?

 A: 2, 11, 41, 53527

Why are those the prime factors of the number 772,501,664?

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 772,501,664

772,501,664
Factor Arrows
2386,250,832
Factor Arrows
2193,125,416
Factor Arrows
296,562,708
Factor Arrows
248,281,354
Factor Arrows
224,140,677
Factor Arrows
112,194,607
Factor Arrows
4153,527

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, 11, 41, 53527

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 11 x 41 x 53,527 = 772,501,664

This can also be written as 25 x 111 x 411 x 53,5271 = 772,501,664

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


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