Q: What are the prime factors of the number 995,120?

 A: 2, 5, 7, 1777

Why are those the prime factors of the number 995,120?

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 995,120

995,120
Factor Arrows
2497,560
Factor Arrows
2248,780
Factor Arrows
2124,390
Factor Arrows
262,195
Factor Arrows
512,439
Factor Arrows
71,777

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, 5, 7, 1777

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 7 x 1,777 = 995,120

This can also be written as 24 x 51 x 71 x 1,7771 = 995,120

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


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