Q: What are the prime factors of the number 74,026,040?

 A: 2, 5, 11, 83, 2027

Why are those the prime factors of the number 74,026,040?

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 74,026,040

74,026,040
Factor Arrows
237,013,020
Factor Arrows
218,506,510
Factor Arrows
29,253,255
Factor Arrows
51,850,651
Factor Arrows
11168,241
Factor Arrows
832,027

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, 11, 83, 2027

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 11 x 83 x 2,027 = 74,026,040

This can also be written as 23 x 51 x 111 x 831 x 2,0271 = 74,026,040

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


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