Q: What are the prime factors of the number 20,065,887?

 A: 3, 191, 1297

Why are those the prime factors of the number 20,065,887?

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 20,065,887

20,065,887
Factor Arrows
36,688,629
Factor Arrows
32,229,543
Factor Arrows
3743,181
Factor Arrows
3247,727
Factor Arrows
1911,297

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:

3, 191, 1297

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 191 x 1,297 = 20,065,887

This can also be written as 34 x 1911 x 1,2971 = 20,065,887

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


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