Q: What are the prime factors of the number 354,847,452?

 A: 2, 3, 31, 73, 179

Why are those the prime factors of the number 354,847,452?

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 354,847,452

354,847,452
Factor Arrows
2177,423,726
Factor Arrows
288,711,863
Factor Arrows
329,570,621
Factor Arrows
31953,891
Factor Arrows
7313,067
Factor Arrows
73179

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, 31, 73, 179

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 31 x 73 x 73 x 179 = 354,847,452

This can also be written as 22 x 31 x 311 x 732 x 1791 = 354,847,452

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


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