Q: What are the prime factors of the number 45,803,888?

 A: 2, 13, 41, 131

Why are those the prime factors of the number 45,803,888?

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 45,803,888

45,803,888
Factor Arrows
222,901,944
Factor Arrows
211,450,972
Factor Arrows
25,725,486
Factor Arrows
22,862,743
Factor Arrows
13220,211
Factor Arrows
415,371
Factor Arrows
41131

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, 41, 131

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 13 x 41 x 41 x 131 = 45,803,888

This can also be written as 24 x 131 x 412 x 1311 = 45,803,888

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


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