Q: What are the prime factors of the number 101,480,280?

 A: 2, 3, 5, 11, 29, 241

Why are those the prime factors of the number 101,480,280?

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 101,480,280

101,480,280
Factor Arrows
250,740,140
Factor Arrows
225,370,070
Factor Arrows
212,685,035
Factor Arrows
34,228,345
Factor Arrows
5845,669
Factor Arrows
1176,879
Factor Arrows
116,989
Factor Arrows
29241

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, 11, 29, 241

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 11 x 11 x 29 x 241 = 101,480,280

This can also be written as 23 x 31 x 51 x 112 x 291 x 2411 = 101,480,280

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


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