Q: What are the prime factors of the number 224,876,780?

 A: 2, 5, 19, 113, 5237

Why are those the prime factors of the number 224,876,780?

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 224,876,780

224,876,780
Factor Arrows
2112,438,390
Factor Arrows
256,219,195
Factor Arrows
511,243,839
Factor Arrows
19591,781
Factor Arrows
1135,237

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, 5, 19, 113, 5237

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 19 x 113 x 5,237 = 224,876,780

This can also be written as 22 x 51 x 191 x 1131 x 5,2371 = 224,876,780

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


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