Q: What are the prime factors of the number 74,458,602?

 A: 2, 3, 29, 587

Why are those the prime factors of the number 74,458,602?

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 74,458,602

74,458,602
Factor Arrows
237,229,301
Factor Arrows
312,409,767
Factor Arrows
34,136,589
Factor Arrows
31,378,863
Factor Arrows
3459,621
Factor Arrows
3153,207
Factor Arrows
351,069
Factor Arrows
317,023
Factor Arrows
29587

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, 29, 587

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 29 x 587 = 74,458,602

This can also be written as 21 x 37 x 291 x 5871 = 74,458,602

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


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