Q: What are the prime factors of the number 2,285,120?

 A: 2, 5, 37, 193

Why are those the prime factors of the number 2,285,120?

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 2,285,120

2,285,120
Factor Arrows
21,142,560
Factor Arrows
2571,280
Factor Arrows
2285,640
Factor Arrows
2142,820
Factor Arrows
271,410
Factor Arrows
235,705
Factor Arrows
57,141
Factor Arrows
37193

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, 37, 193

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 5 x 37 x 193 = 2,285,120

This can also be written as 26 x 51 x 371 x 1931 = 2,285,120

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


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