Q: What are the prime factors of the number 352,380?

 A: 2, 3, 5, 7, 839

Why are those the prime factors of the number 352,380?

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 352,380

352,380
Factor Arrows
2176,190
Factor Arrows
288,095
Factor Arrows
329,365
Factor Arrows
55,873
Factor Arrows
7839

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, 3, 5, 7, 839

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 7 x 839 = 352,380

This can also be written as 22 x 31 x 51 x 71 x 8391 = 352,380

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


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