Q: What are the prime factors of the number 53,982,480?

 A: 2, 3, 5, 17, 101, 131

Why are those the prime factors of the number 53,982,480?

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 53,982,480

53,982,480
Factor Arrows
226,991,240
Factor Arrows
213,495,620
Factor Arrows
26,747,810
Factor Arrows
23,373,905
Factor Arrows
31,124,635
Factor Arrows
5224,927
Factor Arrows
1713,231
Factor Arrows
101131

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, 17, 101, 131

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 17 x 101 x 131 = 53,982,480

This can also be written as 24 x 31 x 51 x 171 x 1011 x 1311 = 53,982,480

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


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