Q: What are the prime factors of the number 347,771,380?

 A: 2, 5, 11, 17, 92987

Why are those the prime factors of the number 347,771,380?

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 347,771,380

347,771,380
Factor Arrows
2173,885,690
Factor Arrows
286,942,845
Factor Arrows
517,388,569
Factor Arrows
111,580,779
Factor Arrows
1792,987

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, 5, 11, 17, 92987

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 11 x 17 x 92,987 = 347,771,380

This can also be written as 22 x 51 x 111 x 171 x 92,9871 = 347,771,380

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


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