Q: What is the prime factorization of the number 60,056,704?

 A:
  • The prime factors are: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 469,193
    • or also written as { 2, 2, 2, 2, 2, 2, 2, 469,193 }
  • Written in exponential form: 27 x 469,1931

Why is the prime factorization of 60,056,704 written as 27 x 469,1931?

What is prime factorization?

Prime factorization or prime factor decomposition is the process of finding which prime numbers can be multiplied together to make the original number.

Finding the prime factors of 60,056,704

To find the prime factors, you start by dividing the number by the first prime number, which is 2. If there is not a remainder, meaning you can divide evenly, then 2 is a factor of the number. Continue dividing by 2 until you cannot divide evenly anymore. Write down how many 2's you were able to divide by evenly. Now try dividing by the next prime factor, which is 3. The goal is to get to a quotient of 1.

If it doesn't make sense yet, let's try it...

Here are the first several prime factors: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29...

Let's start by dividing 60,056,704 by 2

60,056,704 ÷ 2 = 30,028,352 - No remainder! 2 is one of the factors!
30,028,352 ÷ 2 = 15,014,176 - No remainder! 2 is one of the factors!
15,014,176 ÷ 2 = 7,507,088 - No remainder! 2 is one of the factors!
7,507,088 ÷ 2 = 3,753,544 - No remainder! 2 is one of the factors!
3,753,544 ÷ 2 = 1,876,772 - No remainder! 2 is one of the factors!
1,876,772 ÷ 2 = 938,386 - No remainder! 2 is one of the factors!
938,386 ÷ 2 = 469,193 - No remainder! 2 is one of the factors!
469,193 ÷ 2 = 234,596.5 - There is a remainder. We can't divide by 2 evenly anymore. Let's try the next prime number
469,193 ÷ 3 = 156,397.6667 - This has a remainder. 3 is not a factor.
469,193 ÷ 5 = 93,838.6 - This has a remainder. 5 is not a factor.
469,193 ÷ 7 = 67,027.5714 - This has a remainder. 7 is not a factor.
...
Keep trying increasingly larger numbers until you find one that divides evenly.
...
469,193 ÷ 469,193 = 1 - No remainder! 469,193 is one of the factors!

The orange divisor(s) above are the prime factors of the number 60,056,704. If we put all of it together we have the factors 2 x 2 x 2 x 2 x 2 x 2 x 2 x 469,193 = 60,056,704. It can also be written in exponential form as 27 x 469,1931.

Factor Tree

Another way to do prime factorization is to use a factor tree. Below is a factor tree for the number 60,056,704.

60,056,704
Factor Arrows
230,028,352
Factor Arrows
215,014,176
Factor Arrows
27,507,088
Factor Arrows
23,753,544
Factor Arrows
21,876,772
Factor Arrows
2938,386
Factor Arrows
2469,193

More Prime Factorization Examples

60,056,70260,056,70360,056,70560,056,706
21 x 30,028,351132 x 72 x 231 x 311 x 191151 x 1811 x 66,361121 x 31 x 2,0391 x 4,9091

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