Q: What are the prime factors of the number 556,166,848?

 A: 2, 157, 55351

Why are those the prime factors of the number 556,166,848?

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 556,166,848

556,166,848
Factor Arrows
2278,083,424
Factor Arrows
2139,041,712
Factor Arrows
269,520,856
Factor Arrows
234,760,428
Factor Arrows
217,380,214
Factor Arrows
28,690,107
Factor Arrows
15755,351

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, 157, 55351

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 157 x 55,351 = 556,166,848

This can also be written as 26 x 1571 x 55,3511 = 556,166,848

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


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