Greatest Common Factor of 28, 42, 49, 252

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

• Greatest Common Factor of 28, 42, 49, 252 by common division method
• Greatest Common Factor of 28, 42, 49, 252 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 7 = 7

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 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Factors of 252

List of positive integer factors of 252 that divides 252 without a remainder.

1,2,3,4,6,7,9,12,14,18,21,28,36,42,63,84,126,252

Greatest Common Factor

We found the factors 28,42,49,252 . The biggest common factor number is the GCF number.
So the greatest common factor 28,42,49,252 is 7.

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

• GCF of 91, 90, 67, 643
• GCF of 91, 78, 94, 426
• GCF of 87, 19, 38, 520
• GCF of 23, 42, 85, 752
• GCF of 27, 89, 45, 744

1. What is the GCF of 28, 42, 49, 252?

Answer: GCF of 28, 42, 49, 252 is 7.

2. How to Find the GCF of 28, 42, 49, 252

Answer: Greatest Common Factor(GCF) of 28, 42, 49, 252 = 7

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

Step 2: Then multiply all the prime factors GCF(28, 42, 49, 252) = 7.