Greatest Common Factor of 21, 98, 786

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

• Greatest Common Factor of 21, 98, 786 by common division method
• Greatest Common Factor of 21, 98, 786 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 21

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

1,3,7,21

Factors of 98

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

1,2,7,14,49,98

Factors of 786

List of positive integer factors of 786 that divides 786 without a remainder.

1,2,3,6,131,262,393,786

Greatest Common Factor

We found the factors 21,98,786 . The biggest common factor number is the GCF number.
So the greatest common factor 21,98,786 is 1.

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

• GCF of 30, 98, 888
• GCF of 76, 99, 331
• GCF of 12, 45, 634
• GCF of 96, 81, 673
• GCF of 32, 28, 570

1. What is the GCF of 21, 98, 786?

Answer: GCF of 21, 98, 786 is 1.

2. How to Find the GCF of 21, 98, 786

Answer: Greatest Common Factor(GCF) of 21, 98, 786 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 98, 786) = 1.