Q: What are the prime factors of the number 252,420,428?

 A: 2, 13, 181, 2063

Why are those the prime factors of the number 252,420,428?

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 252,420,428

252,420,428
Factor Arrows
2126,210,214
Factor Arrows
263,105,107
Factor Arrows
134,854,239
Factor Arrows
13373,403
Factor Arrows
1812,063

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, 13, 181, 2063

We can check our work by multiplying all of the prime factors together: 2 x 2 x 13 x 13 x 181 x 2,063 = 252,420,428

This can also be written as 22 x 132 x 1811 x 2,0631 = 252,420,428

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


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