Greatest Common Factor of 67, 21, 221

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

• Greatest Common Factor of 67, 21, 221 by common division method
• Greatest Common Factor of 67, 21, 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 67

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

1,67

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

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 67,21,221 . The biggest common factor number is the GCF number.
So the greatest common factor 67,21,221 is 1.

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

• GCF of 70, 77, 433
• GCF of 18, 66, 481
• GCF of 16, 21, 956
• GCF of 22, 12, 487
• GCF of 77, 57, 183

1. What is the GCF of 67, 21, 221?

Answer: GCF of 67, 21, 221 is 1.

2. How to Find the GCF of 67, 21, 221

Answer: Greatest Common Factor(GCF) of 67, 21, 221 = 1

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

Step 2: Then multiply all the prime factors GCF(67, 21, 221) = 1.