Q: What are the prime factors of the number 45,603,365?

 A: 5, 23, 257, 1543

Why are those the prime factors of the number 45,603,365?

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 45,603,365

45,603,365
Factor Arrows
59,120,673
Factor Arrows
23396,551
Factor Arrows
2571,543

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:

5, 23, 257, 1543

We can check our work by multiplying all of the prime factors together: 5 x 23 x 257 x 1,543 = 45,603,365

This can also be written as 51 x 231 x 2571 x 1,5431 = 45,603,365

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


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