Q: What are the prime factors of the number 48,422,868?

 A: 2, 3, 13, 17, 19, 31

Why are those the prime factors of the number 48,422,868?

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 48,422,868

48,422,868
Factor Arrows
224,211,434
Factor Arrows
212,105,717
Factor Arrows
34,035,239
Factor Arrows
13310,403
Factor Arrows
1718,259
Factor Arrows
19961
Factor Arrows
3131

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, 13, 17, 19, 31

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 13 x 17 x 19 x 31 x 31 = 48,422,868

This can also be written as 22 x 31 x 131 x 171 x 191 x 312 = 48,422,868

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


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