Greatest Common Factor of 69, 42, 421

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

• Greatest Common Factor of 69, 42, 421 by common division method
• Greatest Common Factor of 69, 42, 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 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

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 69,42,421 . The biggest common factor number is the GCF number.
So the greatest common factor 69,42,421 is 1.

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

• GCF of 12, 79, 268
• GCF of 71, 60, 303
• GCF of 49, 20, 711
• GCF of 59, 65, 841
• GCF of 99, 88, 804

1. What is the GCF of 69, 42, 421?

Answer: GCF of 69, 42, 421 is 1.

2. How to Find the GCF of 69, 42, 421

Answer: Greatest Common Factor(GCF) of 69, 42, 421 = 1

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

Step 2: Then multiply all the prime factors GCF(69, 42, 421) = 1.