Q: What are the prime factors of the number 291,285,676?

 A: 2, 11, 127, 52127

Why are those the prime factors of the number 291,285,676?

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 291,285,676

291,285,676
Factor Arrows
2145,642,838
Factor Arrows
272,821,419
Factor Arrows
116,620,129
Factor Arrows
12752,127

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, 127, 52127

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 127 x 52,127 = 291,285,676

This can also be written as 22 x 111 x 1271 x 52,1271 = 291,285,676

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


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