Q: What are the prime factors of the number 8,027,760?

 A: 2, 3, 5, 13, 31, 83

Why are those the prime factors of the number 8,027,760?

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 8,027,760

8,027,760
Factor Arrows
24,013,880
Factor Arrows
22,006,940
Factor Arrows
21,003,470
Factor Arrows
2501,735
Factor Arrows
3167,245
Factor Arrows
533,449
Factor Arrows
132,573
Factor Arrows
3183

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, 13, 31, 83

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 13 x 31 x 83 = 8,027,760

This can also be written as 24 x 31 x 51 x 131 x 311 x 831 = 8,027,760

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


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