Greatest Common Factor of 91, 67, 98, 642

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

• Greatest Common Factor of 91, 67, 98, 642 by common division method
• Greatest Common Factor of 91, 67, 98, 642 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 91

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

1,7,13,91

Factors of 67

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

1,67

Factors of 98

List of positive integer factors of 98 that divides 98 without a remainder.

1,2,7,14,49,98

Factors of 642

List of positive integer factors of 642 that divides 642 without a remainder.

1,2,3,6,107,214,321,642

Greatest Common Factor

We found the factors 91,67,98,642 . The biggest common factor number is the GCF number.
So the greatest common factor 91,67,98,642 is 1.

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

• GCF of 47, 23, 54, 398
• GCF of 34, 82, 20, 466
• GCF of 25, 41, 18, 230
• GCF of 29, 41, 27, 330
• GCF of 24, 94, 57, 524

1. What is the GCF of 91, 67, 98, 642?

Answer: GCF of 91, 67, 98, 642 is 1.

2. How to Find the GCF of 91, 67, 98, 642

Answer: Greatest Common Factor(GCF) of 91, 67, 98, 642 = 1

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

Step 2: Then multiply all the prime factors GCF(91, 67, 98, 642) = 1.