Q: What are the prime factors of the number 770,386,736?

 A: 2, 7, 6878453

Why are those the prime factors of the number 770,386,736?

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 770,386,736

770,386,736
Factor Arrows
2385,193,368
Factor Arrows
2192,596,684
Factor Arrows
296,298,342
Factor Arrows
248,149,171
Factor Arrows
76,878,453

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, 7, 6878453

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 6,878,453 = 770,386,736

This can also be written as 24 x 71 x 6,878,4531 = 770,386,736

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


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