Q: What are the prime factors of the number 555,704,240?

 A: 2, 5, 7, 13, 76333

Why are those the prime factors of the number 555,704,240?

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 555,704,240

555,704,240
Factor Arrows
2277,852,120
Factor Arrows
2138,926,060
Factor Arrows
269,463,030
Factor Arrows
234,731,515
Factor Arrows
56,946,303
Factor Arrows
7992,329
Factor Arrows
1376,333

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, 7, 13, 76333

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 7 x 13 x 76,333 = 555,704,240

This can also be written as 24 x 51 x 71 x 131 x 76,3331 = 555,704,240

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


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