Q: What are the prime factors of the number 297,022,308?

 A: 2, 3, 11, 113, 19913

Why are those the prime factors of the number 297,022,308?

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 297,022,308

297,022,308
Factor Arrows
2148,511,154
Factor Arrows
274,255,577
Factor Arrows
324,751,859
Factor Arrows
112,250,169
Factor Arrows
11319,913

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, 11, 113, 19913

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 11 x 113 x 19,913 = 297,022,308

This can also be written as 22 x 31 x 111 x 1131 x 19,9131 = 297,022,308

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


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