Q: What are the prime factors of the number 556,340,784?

 A: 2, 3, 97, 119489

Why are those the prime factors of the number 556,340,784?

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 556,340,784

556,340,784
Factor Arrows
2278,170,392
Factor Arrows
2139,085,196
Factor Arrows
269,542,598
Factor Arrows
234,771,299
Factor Arrows
311,590,433
Factor Arrows
97119,489

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, 97, 119489

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 97 x 119,489 = 556,340,784

This can also be written as 24 x 31 x 971 x 119,4891 = 556,340,784

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


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