Greatest Common Factor of 247, 505, 12

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

• Greatest Common Factor of 247, 505, 12 by common division method
• Greatest Common Factor of 247, 505, 12 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 247

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

1,13,19,247

Factors of 505

List of positive integer factors of 505 that divides 505 without a remainder.

1,5,101,505

Factors of 12

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

1,2,3,4,6,12

Greatest Common Factor

We found the factors 247,505,12 . The biggest common factor number is the GCF number.
So the greatest common factor 247,505,12 is 1.

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

• GCF of 212, 623, 67
• GCF of 429, 800, 39
• GCF of 416, 203, 76
• GCF of 360, 125, 49
• GCF of 735, 245, 54

1. What is the GCF of 247, 505, 12?

Answer: GCF of 247, 505, 12 is 1.

2. How to Find the GCF of 247, 505, 12

Answer: Greatest Common Factor(GCF) of 247, 505, 12 = 1

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

Step 2: Then multiply all the prime factors GCF(247, 505, 12) = 1.