Greatest Common Factor of 23, 85, 68, 421

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

• Greatest Common Factor of 23, 85, 68, 421 by common division method
• Greatest Common Factor of 23, 85, 68, 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 23

List of positive integer factors of 23 that divides 23 without a remainder.

1,23

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

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 23,85,68,421 . The biggest common factor number is the GCF number.
So the greatest common factor 23,85,68,421 is 1.

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

• GCF of 42, 85, 94, 537
• GCF of 39, 43, 80, 423
• GCF of 93, 24, 16, 349
• GCF of 58, 48, 35, 352
• GCF of 64, 73, 56, 193

1. What is the GCF of 23, 85, 68, 421?

Answer: GCF of 23, 85, 68, 421 is 1.

2. How to Find the GCF of 23, 85, 68, 421

Answer: Greatest Common Factor(GCF) of 23, 85, 68, 421 = 1

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

Step 2: Then multiply all the prime factors GCF(23, 85, 68, 421) = 1.