Greatest Common Factor of 21, 49, 38, 862

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

• Greatest Common Factor of 21, 49, 38, 862 by common division method
• Greatest Common Factor of 21, 49, 38, 862 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 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Factors of 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

Factors of 862

List of positive integer factors of 862 that divides 862 without a remainder.

1,2,431,862

Greatest Common Factor

We found the factors 21,49,38,862 . The biggest common factor number is the GCF number.
So the greatest common factor 21,49,38,862 is 1.

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

• GCF of 74, 88, 64, 241
• GCF of 45, 21, 20, 851
• GCF of 73, 54, 61, 693
• GCF of 95, 76, 80, 829
• GCF of 24, 42, 19, 149

1. What is the GCF of 21, 49, 38, 862?

Answer: GCF of 21, 49, 38, 862 is 1.

2. How to Find the GCF of 21, 49, 38, 862

Answer: Greatest Common Factor(GCF) of 21, 49, 38, 862 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 49, 38, 862) = 1.