Q: What are the prime factors of the number 65,258,340?

 A: 2, 3, 5, 7, 155377

Why are those the prime factors of the number 65,258,340?

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 65,258,340

65,258,340
Factor Arrows
232,629,170
Factor Arrows
216,314,585
Factor Arrows
35,438,195
Factor Arrows
51,087,639
Factor Arrows
7155,377

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, 155377

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 7 x 155,377 = 65,258,340

This can also be written as 22 x 31 x 51 x 71 x 155,3771 = 65,258,340

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


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