Schultz Lewis
05/02/2024 · Senior High School
14. Find the greatest common factor of 24 and 36 Find the LCM of 12 and 16
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To find the greatest common factor (GCF) of 24 and 36, we can list the factors of each number:
**Factors of 24:**
1, 2, 3, 4, 6, 8, 12, 24
**Factors of 36:**
1, 2, 3, 4, 6, 9, 12, 18, 36
The common factors are: 1, 2, 3, 4, 6, 12.
The greatest common factor is **12**.
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To find the least common multiple (LCM) of 12 and 16, we can use the prime factorization method:
**Prime factorization of 12:**
12 = 2² × 3¹
**Prime factorization of 16:**
16 = 2⁴
To find the LCM, we take the highest power of each prime factor:
- For 2, the highest power is 2⁴.
- For 3, the highest power is 3¹.
Now, multiply these together:
LCM = 2⁴ × 3¹ = 16 × 3 = 48.
So, the least common multiple of 12 and 16 is **48**.
Quick Answer
The GCF of 24 and 36 is 12, and the LCM of 12 and 16 is 48.
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