Q: What are the prime factors of the number 50,170,648?

 A: 2, 11, 31, 53, 347

Why are those the prime factors of the number 50,170,648?

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 50,170,648

50,170,648
Factor Arrows
225,085,324
Factor Arrows
212,542,662
Factor Arrows
26,271,331
Factor Arrows
11570,121
Factor Arrows
3118,391
Factor Arrows
53347

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, 11, 31, 53, 347

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 11 x 31 x 53 x 347 = 50,170,648

This can also be written as 23 x 111 x 311 x 531 x 3471 = 50,170,648

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


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