Q: What are the prime factors of the number 244,343,040?

 A: 2, 3, 5, 17, 19, 197

Why are those the prime factors of the number 244,343,040?

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 244,343,040

244,343,040
Factor Arrows
2122,171,520
Factor Arrows
261,085,760
Factor Arrows
230,542,880
Factor Arrows
215,271,440
Factor Arrows
27,635,720
Factor Arrows
23,817,860
Factor Arrows
21,908,930
Factor Arrows
2954,465
Factor Arrows
3318,155
Factor Arrows
563,631
Factor Arrows
173,743
Factor Arrows
19197

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, 19, 197

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 2 x 2 x 3 x 5 x 17 x 19 x 197 = 244,343,040

This can also be written as 28 x 31 x 51 x 171 x 191 x 1971 = 244,343,040

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


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