Q: What are the prime factors of the number 41,445,040?

 A: 2, 5, 7, 13, 5693

Why are those the prime factors of the number 41,445,040?

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 41,445,040

41,445,040
Factor Arrows
220,722,520
Factor Arrows
210,361,260
Factor Arrows
25,180,630
Factor Arrows
22,590,315
Factor Arrows
5518,063
Factor Arrows
774,009
Factor Arrows
135,693

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, 5, 7, 13, 5693

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 7 x 13 x 5,693 = 41,445,040

This can also be written as 24 x 51 x 71 x 131 x 5,6931 = 41,445,040

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


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