Q: What are the prime factors of the number 290,983,456?

 A: 2, 239, 38047

Why are those the prime factors of the number 290,983,456?

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 290,983,456

290,983,456
Factor Arrows
2145,491,728
Factor Arrows
272,745,864
Factor Arrows
236,372,932
Factor Arrows
218,186,466
Factor Arrows
29,093,233
Factor Arrows
23938,047

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, 239, 38047

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 239 x 38,047 = 290,983,456

This can also be written as 25 x 2391 x 38,0471 = 290,983,456

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


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