Q: What are the prime factors of the number 403,627,506?

 A: 2, 3, 23, 83, 131, 269

Why are those the prime factors of the number 403,627,506?

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 403,627,506

403,627,506
Factor Arrows
2201,813,753
Factor Arrows
367,271,251
Factor Arrows
232,924,837
Factor Arrows
8335,239
Factor Arrows
131269

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, 23, 83, 131, 269

We can check our work by multiplying all of the prime factors together: 2 x 3 x 23 x 83 x 131 x 269 = 403,627,506

This can also be written as 21 x 31 x 231 x 831 x 1311 x 2691 = 403,627,506

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


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