Q: What are the prime factors of the number 2,795,968?

 A: 2, 7, 79

Why are those the prime factors of the number 2,795,968?

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 2,795,968

2,795,968
Factor Arrows
21,397,984
Factor Arrows
2698,992
Factor Arrows
2349,496
Factor Arrows
2174,748
Factor Arrows
287,374
Factor Arrows
243,687
Factor Arrows
76,241
Factor Arrows
7979

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, 7, 79

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 7 x 79 x 79 = 2,795,968

This can also be written as 26 x 71 x 792 = 2,795,968

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


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