Greatest Common Factor of 21, 768, 158

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

• Greatest Common Factor of 21, 768, 158 by common division method
• Greatest Common Factor of 21, 768, 158 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 21

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

1,3,7,21

Factors of 768

List of positive integer factors of 768 that divides 768 without a remainder.

1,2,3,4,6,8,12,16,24,32,48,64,96,128,192,256,384,768

Factors of 158

List of positive integer factors of 158 that divides 158 without a remainder.

1,2,79,158

Greatest Common Factor

We found the factors 21,768,158 . The biggest common factor number is the GCF number.
So the greatest common factor 21,768,158 is 1.

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

• GCF of 50, 810, 836
• GCF of 87, 179, 870
• GCF of 44, 858, 752
• GCF of 96, 172, 762
• GCF of 94, 828, 609

1. What is the GCF of 21, 768, 158?

Answer: GCF of 21, 768, 158 is 1.

2. How to Find the GCF of 21, 768, 158

Answer: Greatest Common Factor(GCF) of 21, 768, 158 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 768, 158) = 1.