Q: What are the prime factors of the number 40,471,152?

 A: 2, 3, 17, 49597

Why are those the prime factors of the number 40,471,152?

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 40,471,152

40,471,152
Factor Arrows
220,235,576
Factor Arrows
210,117,788
Factor Arrows
25,058,894
Factor Arrows
22,529,447
Factor Arrows
3843,149
Factor Arrows
1749,597

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, 17, 49597

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 17 x 49,597 = 40,471,152

This can also be written as 24 x 31 x 171 x 49,5971 = 40,471,152

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


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