Q: What are the prime factors of the number 349,048?

 A: 2, 7, 23, 271

Why are those the prime factors of the number 349,048?

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 349,048

349,048
Factor Arrows
2174,524
Factor Arrows
287,262
Factor Arrows
243,631
Factor Arrows
76,233
Factor Arrows
23271

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, 23, 271

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 23 x 271 = 349,048

This can also be written as 23 x 71 x 231 x 2711 = 349,048

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


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