Question

gcd(45,15)
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Answer 1

Answer:

• Find the prime factorization of 15
• 15 = 3 × 5
• Find the prime factorization of 45
• 45 = 3 × 3 × 5
• To find the GCF, multiply all the prime factors common to both numbers:

1. Therefore, GCF = 3 × 5
2. GCF = 15

Step-by-step explanation:

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Answer 2

Answer:

1. Find the prime factorization of 15.

2. Find the prime factorization of 45.

3.45 = 3 × 3 × 5.

4.To find the GCF, multiply all the prime factors common to both numbers: 5.Therefore, GCF = 3 × 5.

6.GCF = 15.