Greatest Common Factor of 49, 56, 642

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

• Greatest Common Factor of 49, 56, 642 by common division method
• Greatest Common Factor of 49, 56, 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 49

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

1,7,49

Factors of 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

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 49,56,642 . The biggest common factor number is the GCF number.
So the greatest common factor 49,56,642 is 1.

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

• GCF of 84, 42, 940
• GCF of 11, 93, 413
• GCF of 56, 69, 842
• GCF of 87, 96, 602
• GCF of 66, 50, 113

1. What is the GCF of 49, 56, 642?

Answer: GCF of 49, 56, 642 is 1.

2. How to Find the GCF of 49, 56, 642

Answer: Greatest Common Factor(GCF) of 49, 56, 642 = 1

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

Step 2: Then multiply all the prime factors GCF(49, 56, 642) = 1.