Q: What are the prime factors of the number 61,612,020?

 A: 2, 3, 5, 101, 3389

Why are those the prime factors of the number 61,612,020?

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 61,612,020

61,612,020
Factor Arrows
230,806,010
Factor Arrows
215,403,005
Factor Arrows
35,134,335
Factor Arrows
31,711,445
Factor Arrows
5342,289
Factor Arrows
1013,389

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, 101, 3389

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 101 x 3,389 = 61,612,020

This can also be written as 22 x 32 x 51 x 1011 x 3,3891 = 61,612,020

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


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