Q: What are the prime factors of the number 41,225,856?

 A: 2, 3, 7, 313

Why are those the prime factors of the number 41,225,856?

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 41,225,856

41,225,856
Factor Arrows
220,612,928
Factor Arrows
210,306,464
Factor Arrows
25,153,232
Factor Arrows
22,576,616
Factor Arrows
21,288,308
Factor Arrows
2644,154
Factor Arrows
2322,077
Factor Arrows
3107,359
Factor Arrows
715,337
Factor Arrows
72,191
Factor Arrows
7313

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, 313

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 2 x 3 x 7 x 7 x 7 x 313 = 41,225,856

This can also be written as 27 x 31 x 73 x 3131 = 41,225,856

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


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