Q: What are the prime factors of the number 280,086,348?

 A: 2, 3, 43, 47, 11549

Why are those the prime factors of the number 280,086,348?

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 280,086,348

280,086,348
Factor Arrows
2140,043,174
Factor Arrows
270,021,587
Factor Arrows
323,340,529
Factor Arrows
43542,803
Factor Arrows
4711,549

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, 43, 47, 11549

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 43 x 47 x 11,549 = 280,086,348

This can also be written as 22 x 31 x 431 x 471 x 11,5491 = 280,086,348

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


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