Greatest Common Factor of 66, 98, 63, 38, 397

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

• Greatest Common Factor of 66, 98, 63, 38, 397 by common division method
• Greatest Common Factor of 66, 98, 63, 38, 397 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 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 98

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

1,2,7,14,49,98

Factors of 63

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

1,3,7,9,21,63

Factors of 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

Factors of 397

List of positive integer factors of 397 that divides 397 without a remainder.

1,397

Greatest Common Factor

We found the factors 66,98,63,38,397 . The biggest common factor number is the GCF number.
So the greatest common factor 66,98,63,38,397 is 1.

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

• GCF of 66, 55, 82, 37, 151
• GCF of 40, 40, 52, 77, 777
• GCF of 37, 60, 24, 23, 839
• GCF of 56, 18, 42, 36, 998
• GCF of 66, 24, 95, 78, 916

1. What is the GCF of 66, 98, 63, 38, 397?

Answer: GCF of 66, 98, 63, 38, 397 is 1.

2. How to Find the GCF of 66, 98, 63, 38, 397

Answer: Greatest Common Factor(GCF) of 66, 98, 63, 38, 397 = 1

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

Step 2: Then multiply all the prime factors GCF(66, 98, 63, 38, 397) = 1.