Q: What are the prime factors of the number 1,766,448?

 A: 2, 3, 29, 47

Why are those the prime factors of the number 1,766,448?

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 1,766,448

1,766,448
Factor Arrows
2883,224
Factor Arrows
2441,612
Factor Arrows
2220,806
Factor Arrows
2110,403
Factor Arrows
336,801
Factor Arrows
312,267
Factor Arrows
34,089
Factor Arrows
31,363
Factor Arrows
2947

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, 29, 47

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 29 x 47 = 1,766,448

This can also be written as 24 x 34 x 291 x 471 = 1,766,448

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


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