Q: What are the prime factors of the number 42,076,892?

 A: 2, 11, 13, 73561

Why are those the prime factors of the number 42,076,892?

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 42,076,892

42,076,892
Factor Arrows
221,038,446
Factor Arrows
210,519,223
Factor Arrows
11956,293
Factor Arrows
1373,561

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, 11, 13, 73561

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 13 x 73,561 = 42,076,892

This can also be written as 22 x 111 x 131 x 73,5611 = 42,076,892

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


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