Express the prime factorization of 1,200 as a product of prime numbers with exponents.(2 points)

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1 answer

To express the prime factorization of 1,200, we can start by dividing it by the smallest prime numbers until we reach 1.

  1. Divide by 2:

    • 1200 ÷ 2 = 600
    • 600 ÷ 2 = 300
    • 300 ÷ 2 = 150
    • 150 ÷ 2 = 75
  2. At this point, 75 can no longer be divided by 2, so we move to the next prime, which is 3:

    • 75 ÷ 3 = 25
  3. Now, we move to the next prime number, which is 5:

    • 25 ÷ 5 = 5
    • 5 ÷ 5 = 1

Now we can count how many times each prime was used:

  • 2 appears 4 times
  • 3 appears 1 time
  • 5 appears 2 times

Thus, the prime factorization of 1,200 is: \[ 1200 = 2^4 \cdot 3^1 \cdot 5^2 \]