Q: What are the prime factors of the number 63,222,861?

 A: 3, 13, 19, 41, 2081

Why are those the prime factors of the number 63,222,861?

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 63,222,861

63,222,861
Factor Arrows
321,074,287
Factor Arrows
131,621,099
Factor Arrows
1985,321
Factor Arrows
412,081

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:

3, 13, 19, 41, 2081

We can check our work by multiplying all of the prime factors together: 3 x 13 x 19 x 41 x 2,081 = 63,222,861

This can also be written as 31 x 131 x 191 x 411 x 2,0811 = 63,222,861

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


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