Greatest Common Factor of 21, 45, 67, 37

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

• Greatest Common Factor of 21, 45, 67, 37 by common division method
• Greatest Common Factor of 21, 45, 67, 37 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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 67

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

1,67

Factors of 37

List of positive integer factors of 37 that divides 37 without a remainder.

1,37

Greatest Common Factor

We found the factors 21,45,67,37 . The biggest common factor number is the GCF number.
So the greatest common factor 21,45,67,37 is 1.

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

• GCF of 16, 81, 94, 80
• GCF of 90, 22, 12, 88
• GCF of 29, 75, 74, 36
• GCF of 75, 64, 90, 85
• GCF of 37, 96, 72, 12

1. What is the GCF of 21, 45, 67, 37?

Answer: GCF of 21, 45, 67, 37 is 1.

2. How to Find the GCF of 21, 45, 67, 37

Answer: Greatest Common Factor(GCF) of 21, 45, 67, 37 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 45, 67, 37) = 1.