Greatest Common Factor of 21, 11, 546, 735

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

• Greatest Common Factor of 21, 11, 546, 735 by common division method
• Greatest Common Factor of 21, 11, 546, 735 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 11

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

1,11

Factors of 546

List of positive integer factors of 546 that divides 546 without a remainder.

1,2,3,6,7,13,14,21,26,39,42,78,91,182,273,546

Factors of 735

List of positive integer factors of 735 that divides 735 without a remainder.

1,3,5,7,15,21,35,49,105,147,245,735

Greatest Common Factor

We found the factors 21,11,546,735 . The biggest common factor number is the GCF number.
So the greatest common factor 21,11,546,735 is 1.

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

• GCF of 42, 85, 489, 802
• GCF of 43, 79, 658, 314
• GCF of 11, 67, 860, 477
• GCF of 28, 96, 814, 952
• GCF of 31, 21, 979, 137

1. What is the GCF of 21, 11, 546, 735?

Answer: GCF of 21, 11, 546, 735 is 1.

2. How to Find the GCF of 21, 11, 546, 735

Answer: Greatest Common Factor(GCF) of 21, 11, 546, 735 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 11, 546, 735) = 1.