Greatest Common Factor of 42, 21, 411

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

• Greatest Common Factor of 42, 21, 411 by common division method
• Greatest Common Factor of 42, 21, 411 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 3 = 3

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 21

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

1,3,7,21

Factors of 411

List of positive integer factors of 411 that divides 411 without a remainder.

1,3,137,411

Greatest Common Factor

We found the factors 42,21,411 . The biggest common factor number is the GCF number.
So the greatest common factor 42,21,411 is 3.

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

• GCF of 40, 99, 333
• GCF of 49, 34, 981
• GCF of 62, 85, 821
• GCF of 97, 32, 586
• GCF of 72, 38, 433

1. What is the GCF of 42, 21, 411?

Answer: GCF of 42, 21, 411 is 3.

2. How to Find the GCF of 42, 21, 411

Answer: Greatest Common Factor(GCF) of 42, 21, 411 = 3

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

Step 2: Then multiply all the prime factors GCF(42, 21, 411) = 3.