Q: What are the prime factors of the number 202,143,430?

 A: 2, 5, 17, 43, 27653

Why are those the prime factors of the number 202,143,430?

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 202,143,430

202,143,430
Factor Arrows
2101,071,715
Factor Arrows
520,214,343
Factor Arrows
171,189,079
Factor Arrows
4327,653

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, 43, 27653

We can check our work by multiplying all of the prime factors together: 2 x 5 x 17 x 43 x 27,653 = 202,143,430

This can also be written as 21 x 51 x 171 x 431 x 27,6531 = 202,143,430

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


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