Greatest Common Factor of 42, 30, 40, 822

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

• Greatest Common Factor of 42, 30, 40, 822 by common division method
• Greatest Common Factor of 42, 30, 40, 822 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 2 = 2

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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 822

List of positive integer factors of 822 that divides 822 without a remainder.

1,2,3,6,137,274,411,822

Greatest Common Factor

We found the factors 42,30,40,822 . The biggest common factor number is the GCF number.
So the greatest common factor 42,30,40,822 is 2.

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

• GCF of 33, 51, 59, 527
• GCF of 10, 19, 75, 688
• GCF of 85, 39, 54, 451
• GCF of 47, 66, 33, 492
• GCF of 34, 92, 46, 429

1. What is the GCF of 42, 30, 40, 822?

Answer: GCF of 42, 30, 40, 822 is 2.

2. How to Find the GCF of 42, 30, 40, 822

Answer: Greatest Common Factor(GCF) of 42, 30, 40, 822 = 2

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

Step 2: Then multiply all the prime factors GCF(42, 30, 40, 822) = 2.