Q: What are the prime factors of the number 29,512,992?

 A: 2, 3, 31, 47, 211

Why are those the prime factors of the number 29,512,992?

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 29,512,992

29,512,992
Factor Arrows
214,756,496
Factor Arrows
27,378,248
Factor Arrows
23,689,124
Factor Arrows
21,844,562
Factor Arrows
2922,281
Factor Arrows
3307,427
Factor Arrows
319,917
Factor Arrows
47211

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, 47, 211

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 31 x 47 x 211 = 29,512,992

This can also be written as 25 x 31 x 311 x 471 x 2111 = 29,512,992

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


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