Greatest Common Factor of 12, 72, 247

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 12, 72, 247 by common division method
• Greatest Common Factor of 12, 72, 247 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 247

List of positive integer factors of 247 that divides 247 without a remainder.

1,13,19,247

Greatest Common Factor

We found the factors 12,72,247 . The biggest common factor number is the GCF number.
So the greatest common factor 12,72,247 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 84, 23, 722
• GCF of 69, 71, 647
• GCF of 94, 93, 330
• GCF of 91, 80, 298
• GCF of 22, 77, 309

1. What is the GCF of 12, 72, 247?

Answer: GCF of 12, 72, 247 is 1.

2. How to Find the GCF of 12, 72, 247

Answer: Greatest Common Factor(GCF) of 12, 72, 247 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(12, 72, 247) = 1.