Greatest Common Factor of 31, 21, 11, 698

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

• Greatest Common Factor of 31, 21, 11, 698 by common division method
• Greatest Common Factor of 31, 21, 11, 698 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 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

Factors of 698

List of positive integer factors of 698 that divides 698 without a remainder.

1,2,349,698

Greatest Common Factor

We found the factors 31,21,11,698 . The biggest common factor number is the GCF number.
So the greatest common factor 31,21,11,698 is 1.

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

• GCF of 28, 18, 60, 276
• GCF of 51, 82, 72, 880
• GCF of 49, 12, 77, 254
• GCF of 34, 38, 63, 750
• GCF of 53, 44, 87, 442

1. What is the GCF of 31, 21, 11, 698?

Answer: GCF of 31, 21, 11, 698 is 1.

2. How to Find the GCF of 31, 21, 11, 698

Answer: Greatest Common Factor(GCF) of 31, 21, 11, 698 = 1

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

Step 2: Then multiply all the prime factors GCF(31, 21, 11, 698) = 1.