Q: What are the prime factors of the number 411,854,848?

 A: 2, 201101

Why are those the prime factors of the number 411,854,848?

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 411,854,848

411,854,848
Factor Arrows
2205,927,424
Factor Arrows
2102,963,712
Factor Arrows
251,481,856
Factor Arrows
225,740,928
Factor Arrows
212,870,464
Factor Arrows
26,435,232
Factor Arrows
23,217,616
Factor Arrows
21,608,808
Factor Arrows
2804,404
Factor Arrows
2402,202
Factor Arrows
2201,101

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, 201101

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 x 2 x 2 x 2 x 201,101 = 411,854,848

This can also be written as 211 x 201,1011 = 411,854,848

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


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