Q: What are the prime factors of the number 776,587,285?

 A: 5, 17, 19, 67, 7177

Why are those the prime factors of the number 776,587,285?

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 776,587,285

776,587,285
Factor Arrows
5155,317,457
Factor Arrows
179,136,321
Factor Arrows
19480,859
Factor Arrows
677,177

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:

5, 17, 19, 67, 7177

We can check our work by multiplying all of the prime factors together: 5 x 17 x 19 x 67 x 7,177 = 776,587,285

This can also be written as 51 x 171 x 191 x 671 x 7,1771 = 776,587,285

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


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