Q: What are the prime factors of the number 411,235,202?

 A: 2, 7, 17, 19, 211, 431

Why are those the prime factors of the number 411,235,202?

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 411,235,202

411,235,202
Factor Arrows
2205,617,601
Factor Arrows
729,373,943
Factor Arrows
171,727,879
Factor Arrows
1990,941
Factor Arrows
211431

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, 7, 17, 19, 211, 431

We can check our work by multiplying all of the prime factors together: 2 x 7 x 17 x 19 x 211 x 431 = 411,235,202

This can also be written as 21 x 71 x 171 x 191 x 2111 x 4311 = 411,235,202

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


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