Greatest Common Factor of 77, 67, 221

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

• Greatest Common Factor of 77, 67, 221 by common division method
• Greatest Common Factor of 77, 67, 221 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 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 67

List of positive integer factors of 67 that divides 67 without a remainder.

1,67

Factors of 221

List of positive integer factors of 221 that divides 221 without a remainder.

1,13,17,221

Greatest Common Factor

We found the factors 77,67,221 . The biggest common factor number is the GCF number.
So the greatest common factor 77,67,221 is 1.

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

• GCF of 93, 11, 175
• GCF of 65, 57, 998
• GCF of 56, 34, 145
• GCF of 46, 13, 926
• GCF of 82, 86, 151

1. What is the GCF of 77, 67, 221?

Answer: GCF of 77, 67, 221 is 1.

2. How to Find the GCF of 77, 67, 221

Answer: Greatest Common Factor(GCF) of 77, 67, 221 = 1

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

Step 2: Then multiply all the prime factors GCF(77, 67, 221) = 1.