Q: What are the prime factors of the number 46,258,542?

 A: 2, 3, 11, 67, 317

Why are those the prime factors of the number 46,258,542?

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 46,258,542

46,258,542
Factor Arrows
223,129,271
Factor Arrows
37,709,757
Factor Arrows
32,569,919
Factor Arrows
11233,629
Factor Arrows
1121,239
Factor Arrows
67317

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, 11, 67, 317

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 11 x 11 x 67 x 317 = 46,258,542

This can also be written as 21 x 32 x 112 x 671 x 3171 = 46,258,542

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


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