Q: What are the prime factors of the number 411,037,600?

 A: 2, 5, 23, 89, 251

Why are those the prime factors of the number 411,037,600?

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 411,037,600

411,037,600
Factor Arrows
2205,518,800
Factor Arrows
2102,759,400
Factor Arrows
251,379,700
Factor Arrows
225,689,850
Factor Arrows
212,844,925
Factor Arrows
52,568,985
Factor Arrows
5513,797
Factor Arrows
2322,339
Factor Arrows
89251

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, 23, 89, 251

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 5 x 23 x 89 x 251 = 411,037,600

This can also be written as 25 x 52 x 231 x 891 x 2511 = 411,037,600

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


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