Q: What are the prime factors of the number 74,028,188?

 A: 2, 13, 263, 5413

Why are those the prime factors of the number 74,028,188?

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 74,028,188

74,028,188
Factor Arrows
237,014,094
Factor Arrows
218,507,047
Factor Arrows
131,423,619
Factor Arrows
2635,413

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, 13, 263, 5413

We can check our work by multiplying all of the prime factors together: 2 x 2 x 13 x 263 x 5,413 = 74,028,188

This can also be written as 22 x 131 x 2631 x 5,4131 = 74,028,188

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


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