Greatest Common Factor of 561, 671, 198

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

• Greatest Common Factor of 561, 671, 198 by common division method
• Greatest Common Factor of 561, 671, 198 with matching the biggest common factor

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∴ So the GCF of the given numbers is 11 = 11

Factors of 561

List of positive integer factors of 561 that divides 561 without a remainder.

1,3,11,17,33,51,187,561

Factors of 671

List of positive integer factors of 671 that divides 671 without a remainder.

1,11,61,671

Factors of 198

List of positive integer factors of 198 that divides 198 without a remainder.

1,2,3,6,9,11,18,22,33,66,99,198

Greatest Common Factor

We found the factors 561,671,198 . The biggest common factor number is the GCF number.
So the greatest common factor 561,671,198 is 11.

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

• GCF of 587, 515, 900
• GCF of 650, 759, 973
• GCF of 951, 488, 169
• GCF of 560, 220, 503
• GCF of 172, 115, 968

1. What is the GCF of 561, 671, 198?

Answer: GCF of 561, 671, 198 is 11.

2. How to Find the GCF of 561, 671, 198

Answer: Greatest Common Factor(GCF) of 561, 671, 198 = 11

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

Step 2: Then multiply all the prime factors GCF(561, 671, 198) = 11.