Q: What are the prime factors of the number 252,623,280?

 A: 2, 3, 5, 7, 13, 43, 269

Why are those the prime factors of the number 252,623,280?

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 252,623,280

252,623,280
Factor Arrows
2126,311,640
Factor Arrows
263,155,820
Factor Arrows
231,577,910
Factor Arrows
215,788,955
Factor Arrows
35,262,985
Factor Arrows
51,052,597
Factor Arrows
7150,371
Factor Arrows
1311,567
Factor Arrows
43269

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, 5, 7, 13, 43, 269

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 7 x 13 x 43 x 269 = 252,623,280

This can also be written as 24 x 31 x 51 x 71 x 131 x 431 x 2691 = 252,623,280

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


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