Q: What are the prime factors of the number 30,545,522?

 A: 2, 7, 6361

Why are those the prime factors of the number 30,545,522?

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 30,545,522

30,545,522
Factor Arrows
215,272,761
Factor Arrows
72,181,823
Factor Arrows
7311,689
Factor Arrows
744,527
Factor Arrows
76,361

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, 7, 6361

We can check our work by multiplying all of the prime factors together: 2 x 7 x 7 x 7 x 7 x 6,361 = 30,545,522

This can also be written as 21 x 74 x 6,3611 = 30,545,522

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


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