Q: What are the prime factors of the number 46,530,912?

 A: 2, 3, 149, 3253

Why are those the prime factors of the number 46,530,912?

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 46,530,912

46,530,912
Factor Arrows
223,265,456
Factor Arrows
211,632,728
Factor Arrows
25,816,364
Factor Arrows
22,908,182
Factor Arrows
21,454,091
Factor Arrows
3484,697
Factor Arrows
1493,253

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, 149, 3253

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 149 x 3,253 = 46,530,912

This can also be written as 25 x 31 x 1491 x 3,2531 = 46,530,912

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


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