Q: What are the prime factors of the number 103,337,694?

 A: 2, 3, 19, 31

Why are those the prime factors of the number 103,337,694?

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 103,337,694

103,337,694
Factor Arrows
251,668,847
Factor Arrows
317,222,949
Factor Arrows
35,740,983
Factor Arrows
31,913,661
Factor Arrows
3637,887
Factor Arrows
3212,629
Factor Arrows
1911,191
Factor Arrows
19589
Factor Arrows
1931

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, 19, 31

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 19 x 19 x 19 x 31 = 103,337,694

This can also be written as 21 x 35 x 193 x 311 = 103,337,694

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


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