Q: What are the prime factors of the number 32,242,432?

 A: 2, 29, 43, 101

Why are those the prime factors of the number 32,242,432?

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 32,242,432

32,242,432
Factor Arrows
216,121,216
Factor Arrows
28,060,608
Factor Arrows
24,030,304
Factor Arrows
22,015,152
Factor Arrows
21,007,576
Factor Arrows
2503,788
Factor Arrows
2251,894
Factor Arrows
2125,947
Factor Arrows
294,343
Factor Arrows
43101

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, 29, 43, 101

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 29 x 43 x 101 = 32,242,432

This can also be written as 28 x 291 x 431 x 1011 = 32,242,432

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


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