Greatest Common Factor of 89, 67, 21, 778

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

• Greatest Common Factor of 89, 67, 21, 778 by common division method
• Greatest Common Factor of 89, 67, 21, 778 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 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

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 778

List of positive integer factors of 778 that divides 778 without a remainder.

1,2,389,778

Greatest Common Factor

We found the factors 89,67,21,778 . The biggest common factor number is the GCF number.
So the greatest common factor 89,67,21,778 is 1.

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

• GCF of 68, 14, 87, 976
• GCF of 45, 46, 76, 241
• GCF of 41, 54, 28, 937
• GCF of 79, 95, 70, 995
• GCF of 56, 41, 41, 468

1. What is the GCF of 89, 67, 21, 778?

Answer: GCF of 89, 67, 21, 778 is 1.

2. How to Find the GCF of 89, 67, 21, 778

Answer: Greatest Common Factor(GCF) of 89, 67, 21, 778 = 1

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

Step 2: Then multiply all the prime factors GCF(89, 67, 21, 778) = 1.