Q: What are the prime factors of the number 46,102,905?

 A: 3, 5, 127, 2689

Why are those the prime factors of the number 46,102,905?

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 46,102,905

46,102,905
Factor Arrows
315,367,635
Factor Arrows
35,122,545
Factor Arrows
31,707,515
Factor Arrows
5341,503
Factor Arrows
1272,689

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:

3, 5, 127, 2689

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 127 x 2,689 = 46,102,905

This can also be written as 33 x 51 x 1271 x 2,6891 = 46,102,905

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


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