Q: What are the prime factors of the number 46,521,776?

 A: 2, 7, 173

Why are those the prime factors of the number 46,521,776?

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 46,521,776

46,521,776
Factor Arrows
223,260,888
Factor Arrows
211,630,444
Factor Arrows
25,815,222
Factor Arrows
22,907,611
Factor Arrows
7415,373
Factor Arrows
759,339
Factor Arrows
78,477
Factor Arrows
71,211
Factor Arrows
7173

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, 7, 173

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 7 x 7 x 7 x 7 x 173 = 46,521,776

This can also be written as 24 x 75 x 1731 = 46,521,776

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


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