Greatest Common Factor of 63, 49, 71, 991

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

• Greatest Common Factor of 63, 49, 71, 991 by common division method
• Greatest Common Factor of 63, 49, 71, 991 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 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 49

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

1,7,49

Factors of 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 991

List of positive integer factors of 991 that divides 991 without a remainder.

1,991

Greatest Common Factor

We found the factors 63,49,71,991 . The biggest common factor number is the GCF number.
So the greatest common factor 63,49,71,991 is 1.

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

• GCF of 33, 25, 37, 524
• GCF of 30, 84, 20, 107
• GCF of 95, 94, 77, 786
• GCF of 60, 24, 76, 878
• GCF of 28, 75, 24, 664

1. What is the GCF of 63, 49, 71, 991?

Answer: GCF of 63, 49, 71, 991 is 1.

2. How to Find the GCF of 63, 49, 71, 991

Answer: Greatest Common Factor(GCF) of 63, 49, 71, 991 = 1

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

Step 2: Then multiply all the prime factors GCF(63, 49, 71, 991) = 1.