Greatest Common Factor of 38, 21, 12, 67

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

• Greatest Common Factor of 38, 21, 12, 67 by common division method
• Greatest Common Factor of 38, 21, 12, 67 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 38

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

1,2,19,38

Factors of 21

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

1,3,7,21

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 67

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

1,67

Greatest Common Factor

We found the factors 38,21,12,67 . The biggest common factor number is the GCF number.
So the greatest common factor 38,21,12,67 is 1.

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

• GCF of 85, 82, 99, 57
• GCF of 13, 54, 12, 19
• GCF of 17, 19, 83, 71
• GCF of 81, 29, 77, 48
• GCF of 48, 33, 61, 66

1. What is the GCF of 38, 21, 12, 67?

Answer: GCF of 38, 21, 12, 67 is 1.

2. How to Find the GCF of 38, 21, 12, 67

Answer: Greatest Common Factor(GCF) of 38, 21, 12, 67 = 1

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

Step 2: Then multiply all the prime factors GCF(38, 21, 12, 67) = 1.