Q: What are the prime factors of the number 46,087,680?

 A: 2, 3, 5, 17, 353

Why are those the prime factors of the number 46,087,680?

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 46,087,680

46,087,680
Factor Arrows
223,043,840
Factor Arrows
211,521,920
Factor Arrows
25,760,960
Factor Arrows
22,880,480
Factor Arrows
21,440,240
Factor Arrows
2720,120
Factor Arrows
2360,060
Factor Arrows
2180,030
Factor Arrows
290,015
Factor Arrows
330,005
Factor Arrows
56,001
Factor Arrows
17353

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, 5, 17, 353

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 5 x 17 x 353 = 46,087,680

This can also be written as 29 x 31 x 51 x 171 x 3531 = 46,087,680

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


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