Greatest Common Factor of 19, 76, 21, 772

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

• Greatest Common Factor of 19, 76, 21, 772 by common division method
• Greatest Common Factor of 19, 76, 21, 772 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 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

Factors of 76

List of positive integer factors of 76 that divides 76 without a remainder.

1,2,4,19,38,76

Factors of 21

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

1,3,7,21

Factors of 772

List of positive integer factors of 772 that divides 772 without a remainder.

1,2,4,193,386,772

Greatest Common Factor

We found the factors 19,76,21,772 . The biggest common factor number is the GCF number.
So the greatest common factor 19,76,21,772 is 1.

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

• GCF of 86, 85, 93, 944
• GCF of 29, 95, 63, 907
• GCF of 81, 76, 77, 872
• GCF of 58, 55, 59, 478
• GCF of 24, 10, 19, 971

1. What is the GCF of 19, 76, 21, 772?

Answer: GCF of 19, 76, 21, 772 is 1.

2. How to Find the GCF of 19, 76, 21, 772

Answer: Greatest Common Factor(GCF) of 19, 76, 21, 772 = 1

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

Step 2: Then multiply all the prime factors GCF(19, 76, 21, 772) = 1.