Q: What are the prime factors of the number 41,005,152?

 A: 2, 3, 173, 823

Why are those the prime factors of the number 41,005,152?

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 41,005,152

41,005,152
Factor Arrows
220,502,576
Factor Arrows
210,251,288
Factor Arrows
25,125,644
Factor Arrows
22,562,822
Factor Arrows
21,281,411
Factor Arrows
3427,137
Factor Arrows
3142,379
Factor Arrows
173823

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, 173, 823

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 173 x 823 = 41,005,152

This can also be written as 25 x 32 x 1731 x 8231 = 41,005,152

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


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