Q: What are the prime factors of the number 202,363,150?

 A: 2, 5, 11, 139, 2647

Why are those the prime factors of the number 202,363,150?

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 202,363,150

202,363,150
Factor Arrows
2101,181,575
Factor Arrows
520,236,315
Factor Arrows
54,047,263
Factor Arrows
11367,933
Factor Arrows
1392,647

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, 11, 139, 2647

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 11 x 139 x 2,647 = 202,363,150

This can also be written as 21 x 52 x 111 x 1391 x 2,6471 = 202,363,150

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


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