Q: What are the prime factors of the number 291,968?

 A: 2, 2281

Why are those the prime factors of the number 291,968?

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 291,968

291,968
Factor Arrows
2145,984
Factor Arrows
272,992
Factor Arrows
236,496
Factor Arrows
218,248
Factor Arrows
29,124
Factor Arrows
24,562
Factor Arrows
22,281

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, 2281

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 2,281 = 291,968

This can also be written as 27 x 2,2811 = 291,968

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


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