Q: What are the prime factors of the number 420,526,062?

 A: 2, 3, 11, 53, 3643

Why are those the prime factors of the number 420,526,062?

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 420,526,062

420,526,062
Factor Arrows
2210,263,031
Factor Arrows
370,087,677
Factor Arrows
323,362,559
Factor Arrows
112,123,869
Factor Arrows
11193,079
Factor Arrows
533,643

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, 11, 53, 3643

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 11 x 11 x 53 x 3,643 = 420,526,062

This can also be written as 21 x 32 x 112 x 531 x 3,6431 = 420,526,062

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


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