Q: What are the prime factors of the number 9,778,624?

 A: 2, 152791

Why are those the prime factors of the number 9,778,624?

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 9,778,624

9,778,624
Factor Arrows
24,889,312
Factor Arrows
22,444,656
Factor Arrows
21,222,328
Factor Arrows
2611,164
Factor Arrows
2305,582
Factor Arrows
2152,791

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, 152791

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 152,791 = 9,778,624

This can also be written as 26 x 152,7911 = 9,778,624

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


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