Q: What are the prime factors of the number 354,135,232?

 A: 2, 11, 23, 21871

Why are those the prime factors of the number 354,135,232?

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 354,135,232

354,135,232
Factor Arrows
2177,067,616
Factor Arrows
288,533,808
Factor Arrows
244,266,904
Factor Arrows
222,133,452
Factor Arrows
211,066,726
Factor Arrows
25,533,363
Factor Arrows
11503,033
Factor Arrows
2321,871

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, 11, 23, 21871

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 11 x 23 x 21,871 = 354,135,232

This can also be written as 26 x 111 x 231 x 21,8711 = 354,135,232

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


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