Q: What are the prime factors of the number 7,660,440?

 A: 2, 3, 5, 41, 173

Why are those the prime factors of the number 7,660,440?

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 7,660,440

7,660,440
Factor Arrows
23,830,220
Factor Arrows
21,915,110
Factor Arrows
2957,555
Factor Arrows
3319,185
Factor Arrows
3106,395
Factor Arrows
335,465
Factor Arrows
57,093
Factor Arrows
41173

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, 41, 173

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 5 x 41 x 173 = 7,660,440

This can also be written as 23 x 33 x 51 x 411 x 1731 = 7,660,440

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


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