Greatest Common Factor of 66, 53, 421

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

• Greatest Common Factor of 66, 53, 421 by common division method
• Greatest Common Factor of 66, 53, 421 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 53

List of positive integer factors of 53 that divides 53 without a remainder.

1,53

Factors of 421

List of positive integer factors of 421 that divides 421 without a remainder.

1,421

Greatest Common Factor

We found the factors 66,53,421 . The biggest common factor number is the GCF number.
So the greatest common factor 66,53,421 is 1.

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

• GCF of 47, 36, 984
• GCF of 18, 74, 752
• GCF of 71, 19, 987
• GCF of 77, 36, 284
• GCF of 84, 92, 332

1. What is the GCF of 66, 53, 421?

Answer: GCF of 66, 53, 421 is 1.

2. How to Find the GCF of 66, 53, 421

Answer: Greatest Common Factor(GCF) of 66, 53, 421 = 1

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

Step 2: Then multiply all the prime factors GCF(66, 53, 421) = 1.