Q: What are the prime factors of the number 841,132,176?

 A: 2, 3, 31, 127, 4451

Why are those the prime factors of the number 841,132,176?

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 841,132,176

841,132,176
Factor Arrows
2420,566,088
Factor Arrows
2210,283,044
Factor Arrows
2105,141,522
Factor Arrows
252,570,761
Factor Arrows
317,523,587
Factor Arrows
31565,277
Factor Arrows
1274,451

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, 31, 127, 4451

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 31 x 127 x 4,451 = 841,132,176

This can also be written as 24 x 31 x 311 x 1271 x 4,4511 = 841,132,176

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


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