Q: What are the prime factors of the number 1,961,824?

 A: 2, 101, 607

Why are those the prime factors of the number 1,961,824?

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 1,961,824

1,961,824
Factor Arrows
2980,912
Factor Arrows
2490,456
Factor Arrows
2245,228
Factor Arrows
2122,614
Factor Arrows
261,307
Factor Arrows
101607

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, 101, 607

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 101 x 607 = 1,961,824

This can also be written as 25 x 1011 x 6071 = 1,961,824

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


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