Q: What are the prime factors of the number 202,146,252?

 A: 2, 3, 7, 11, 17, 757

Why are those the prime factors of the number 202,146,252?

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 202,146,252

202,146,252
Factor Arrows
2101,073,126
Factor Arrows
250,536,563
Factor Arrows
316,845,521
Factor Arrows
72,406,503
Factor Arrows
11218,773
Factor Arrows
1712,869
Factor Arrows
17757

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, 7, 11, 17, 757

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 11 x 17 x 17 x 757 = 202,146,252

This can also be written as 22 x 31 x 71 x 111 x 172 x 7571 = 202,146,252

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


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