Q: What are the prime factors of the number 619,584?

 A: 2, 3, 7, 461

Why are those the prime factors of the number 619,584?

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 619,584

619,584
Factor Arrows
2309,792
Factor Arrows
2154,896
Factor Arrows
277,448
Factor Arrows
238,724
Factor Arrows
219,362
Factor Arrows
29,681
Factor Arrows
33,227
Factor Arrows
7461

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, 7, 461

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 3 x 7 x 461 = 619,584

This can also be written as 26 x 31 x 71 x 4611 = 619,584

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


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