Q: What are the prime factors of the number 322,312,452?

 A: 2, 3, 7, 11, 17, 71

Why are those the prime factors of the number 322,312,452?

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 322,312,452

322,312,452
Factor Arrows
2161,156,226
Factor Arrows
280,578,113
Factor Arrows
326,859,371
Factor Arrows
73,837,053
Factor Arrows
11348,823
Factor Arrows
1720,519
Factor Arrows
171,207
Factor Arrows
1771

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, 7, 11, 17, 71

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 11 x 17 x 17 x 17 x 71 = 322,312,452

This can also be written as 22 x 31 x 71 x 111 x 173 x 711 = 322,312,452

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


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