Greatest Common Factor of 28, 42, 22, 859

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

• Greatest Common Factor of 28, 42, 22, 859 by common division method
• Greatest Common Factor of 28, 42, 22, 859 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

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 22

List of positive integer factors of 22 that divides 22 without a remainder.

1,2,11,22

Factors of 859

List of positive integer factors of 859 that divides 859 without a remainder.

1,859

Greatest Common Factor

We found the factors 28,42,22,859 . The biggest common factor number is the GCF number.
So the greatest common factor 28,42,22,859 is 1.

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

• GCF of 98, 20, 44, 140
• GCF of 44, 10, 78, 553
• GCF of 97, 55, 51, 375
• GCF of 96, 57, 79, 848
• GCF of 79, 57, 88, 490

1. What is the GCF of 28, 42, 22, 859?

Answer: GCF of 28, 42, 22, 859 is 1.

2. How to Find the GCF of 28, 42, 22, 859

Answer: Greatest Common Factor(GCF) of 28, 42, 22, 859 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 42, 22, 859) = 1.