Greatest Common Factor of 67, 90, 49, 81

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

• Greatest Common Factor of 67, 90, 49, 81 by common division method
• Greatest Common Factor of 67, 90, 49, 81 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 67

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

1,67

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 49

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

1,7,49

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Greatest Common Factor

We found the factors 67,90,49,81 . The biggest common factor number is the GCF number.
So the greatest common factor 67,90,49,81 is 1.

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

• GCF of 29, 33, 92, 22
• GCF of 70, 70, 12, 71
• GCF of 43, 90, 36, 98
• GCF of 35, 63, 57, 40
• GCF of 52, 53, 85, 36

1. What is the GCF of 67, 90, 49, 81?

Answer: GCF of 67, 90, 49, 81 is 1.

2. How to Find the GCF of 67, 90, 49, 81

Answer: Greatest Common Factor(GCF) of 67, 90, 49, 81 = 1

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

Step 2: Then multiply all the prime factors GCF(67, 90, 49, 81) = 1.