Math  /  Numbers & Operations

Question\qquad 3. 4.
2×3ヶ2X \qquad Write the prime factorizations.
5. 44
6. 125
7. 85
8. 39 , \qquad \qquad

Studdy Solution

STEP 1

1. We are given four numbers: 44 44 , 125 125 , 85 85 , and 39 39 .
2. We need to find the prime factorization of each number.

STEP 2

1. Prime factorization of 44
2. Prime factorization of 125
3. Prime factorization of 85
4. Prime factorization of 39

STEP 3

Find the prime factorization of 44 44 .
- Start by dividing 44 44 by the smallest prime number, 2 2 .
44÷2=22 44 \div 2 = 22
- Continue dividing by 2 2 until it is no longer divisible.
22÷2=11 22 \div 2 = 11
- Now, 11 11 is a prime number.
- Therefore, the prime factorization of 44 44 is:
22×11 2^2 \times 11

STEP 4

Find the prime factorization of 125 125 .
- Start by dividing 125 125 by the smallest prime number, 5 5 .
125÷5=25 125 \div 5 = 25
- Continue dividing by 5 5 .
25÷5=5 25 \div 5 = 5
- Finally, divide by 5 5 again.
5÷5=1 5 \div 5 = 1
- Therefore, the prime factorization of 125 125 is:
53 5^3

STEP 5

Find the prime factorization of 85 85 .
- Start by dividing 85 85 by the smallest prime number, 5 5 .
85÷5=17 85 \div 5 = 17
- Now, 17 17 is a prime number.
- Therefore, the prime factorization of 85 85 is:
5×17 5 \times 17

STEP 6

Find the prime factorization of 39 39 .
- Start by dividing 39 39 by the smallest prime number, 3 3 .
39÷3=13 39 \div 3 = 13
- Now, 13 13 is a prime number.
- Therefore, the prime factorization of 39 39 is:
3×13 3 \times 13
The prime factorizations are: - 44=22×11 44 = 2^2 \times 11 - 125=53 125 = 5^3 - 85=5×17 85 = 5 \times 17 - 39=3×13 39 = 3 \times 13

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