Q: What are the prime factors of the number 48,145,480?

 A: 2, 5, 31, 41, 947

Why are those the prime factors of the number 48,145,480?

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 48,145,480

48,145,480
Factor Arrows
224,072,740
Factor Arrows
212,036,370
Factor Arrows
26,018,185
Factor Arrows
51,203,637
Factor Arrows
3138,827
Factor Arrows
41947

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, 5, 31, 41, 947

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 31 x 41 x 947 = 48,145,480

This can also be written as 23 x 51 x 311 x 411 x 9471 = 48,145,480

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


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