Q: What are the prime factors of the number 51,988,210?

 A: 2, 5, 17, 17989

Why are those the prime factors of the number 51,988,210?

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 51,988,210

51,988,210
Factor Arrows
225,994,105
Factor Arrows
55,198,821
Factor Arrows
17305,813
Factor Arrows
1717,989

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, 17, 17989

We can check our work by multiplying all of the prime factors together: 2 x 5 x 17 x 17 x 17,989 = 51,988,210

This can also be written as 21 x 51 x 172 x 17,9891 = 51,988,210

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


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