Q: What are the prime factors of the number 555,013,104?

 A: 2, 3, 19, 223, 2729

Why are those the prime factors of the number 555,013,104?

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 555,013,104

555,013,104
Factor Arrows
2277,506,552
Factor Arrows
2138,753,276
Factor Arrows
269,376,638
Factor Arrows
234,688,319
Factor Arrows
311,562,773
Factor Arrows
19608,567
Factor Arrows
2232,729

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, 19, 223, 2729

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 19 x 223 x 2,729 = 555,013,104

This can also be written as 24 x 31 x 191 x 2231 x 2,7291 = 555,013,104

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


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