Greatest Common Factor of 40, 67, 70, 91

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

• Greatest Common Factor of 40, 67, 70, 91 by common division method
• Greatest Common Factor of 40, 67, 70, 91 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 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 67

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

1,67

Factors of 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Greatest Common Factor

We found the factors 40,67,70,91 . The biggest common factor number is the GCF number.
So the greatest common factor 40,67,70,91 is 1.

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

• GCF of 19, 89, 74, 56
• GCF of 59, 27, 45, 98
• GCF of 23, 73, 95, 83
• GCF of 33, 22, 27, 55
• GCF of 15, 39, 18, 78

1. What is the GCF of 40, 67, 70, 91?

Answer: GCF of 40, 67, 70, 91 is 1.

2. How to Find the GCF of 40, 67, 70, 91

Answer: Greatest Common Factor(GCF) of 40, 67, 70, 91 = 1

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

Step 2: Then multiply all the prime factors GCF(40, 67, 70, 91) = 1.