Q: What are the prime factors of the number 348,700?

 A: 2, 5, 11, 317

Why are those the prime factors of the number 348,700?

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 348,700

348,700
Factor Arrows
2174,350
Factor Arrows
287,175
Factor Arrows
517,435
Factor Arrows
53,487
Factor Arrows
11317

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, 317

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 11 x 317 = 348,700

This can also be written as 22 x 52 x 111 x 3171 = 348,700

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


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