Q: What are the prime factors of the number 130,054,240?

 A: 2, 5, 19, 179, 239

Why are those the prime factors of the number 130,054,240?

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 130,054,240

130,054,240
Factor Arrows
265,027,120
Factor Arrows
232,513,560
Factor Arrows
216,256,780
Factor Arrows
28,128,390
Factor Arrows
24,064,195
Factor Arrows
5812,839
Factor Arrows
1942,781
Factor Arrows
179239

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, 19, 179, 239

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 19 x 179 x 239 = 130,054,240

This can also be written as 25 x 51 x 191 x 1791 x 2391 = 130,054,240

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


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