Q: What are the prime factors of the number 74,011,270?

 A: 2, 5, 19, 389533

Why are those the prime factors of the number 74,011,270?

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 74,011,270

74,011,270
Factor Arrows
237,005,635
Factor Arrows
57,401,127
Factor Arrows
19389,533

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, 19, 389533

We can check our work by multiplying all of the prime factors together: 2 x 5 x 19 x 389,533 = 74,011,270

This can also be written as 21 x 51 x 191 x 389,5331 = 74,011,270

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


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