Q: What are the prime factors of the number 70,282,256?

 A: 2, 11, 103, 3877

Why are those the prime factors of the number 70,282,256?

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 70,282,256

70,282,256
Factor Arrows
235,141,128
Factor Arrows
217,570,564
Factor Arrows
28,785,282
Factor Arrows
24,392,641
Factor Arrows
11399,331
Factor Arrows
1033,877

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, 103, 3877

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 11 x 103 x 3,877 = 70,282,256

This can also be written as 24 x 111 x 1031 x 3,8771 = 70,282,256

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


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