Q: What are the prime factors of the number 28,627,263?

 A: 3, 7, 29, 1741

Why are those the prime factors of the number 28,627,263?

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 28,627,263

28,627,263
Factor Arrows
39,542,421
Factor Arrows
33,180,807
Factor Arrows
31,060,269
Factor Arrows
3353,423
Factor Arrows
750,489
Factor Arrows
291,741

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:

3, 7, 29, 1741

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 7 x 29 x 1,741 = 28,627,263

This can also be written as 34 x 71 x 291 x 1,7411 = 28,627,263

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


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