Q: What are the prime factors of the number 68,698,350?

 A: 2, 3, 5, 7, 113, 193

Why are those the prime factors of the number 68,698,350?

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 68,698,350

68,698,350
Factor Arrows
234,349,175
Factor Arrows
311,449,725
Factor Arrows
33,816,575
Factor Arrows
5763,315
Factor Arrows
5152,663
Factor Arrows
721,809
Factor Arrows
113193

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, 5, 7, 113, 193

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 5 x 7 x 113 x 193 = 68,698,350

This can also be written as 21 x 32 x 52 x 71 x 1131 x 1931 = 68,698,350

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


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