Q: What are the prime factors of the number 2,694,384?

 A: 2, 3, 7, 11

Why are those the prime factors of the number 2,694,384?

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 2,694,384

2,694,384
Factor Arrows
21,347,192
Factor Arrows
2673,596
Factor Arrows
2336,798
Factor Arrows
2168,399
Factor Arrows
356,133
Factor Arrows
318,711
Factor Arrows
36,237
Factor Arrows
32,079
Factor Arrows
3693
Factor Arrows
3231
Factor Arrows
377
Factor Arrows
711

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, 7, 11

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 7 x 11 = 2,694,384

This can also be written as 24 x 37 x 71 x 111 = 2,694,384

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


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