Q: What are the prime factors of the number 561,318,084?

 A: 2, 3, 29, 537661

Why are those the prime factors of the number 561,318,084?

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 561,318,084

561,318,084
Factor Arrows
2280,659,042
Factor Arrows
2140,329,521
Factor Arrows
346,776,507
Factor Arrows
315,592,169
Factor Arrows
29537,661

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, 29, 537661

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 29 x 537,661 = 561,318,084

This can also be written as 22 x 32 x 291 x 537,6611 = 561,318,084

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


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