Q: What are the prime factors of the number 31,670,848?

 A: 2, 11, 44987

Why are those the prime factors of the number 31,670,848?

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 31,670,848

31,670,848
Factor Arrows
215,835,424
Factor Arrows
27,917,712
Factor Arrows
23,958,856
Factor Arrows
21,979,428
Factor Arrows
2989,714
Factor Arrows
2494,857
Factor Arrows
1144,987

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, 44987

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 11 x 44,987 = 31,670,848

This can also be written as 26 x 111 x 44,9871 = 31,670,848

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


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