Greatest Common Factor of 49, 14, 42, 28

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

• Greatest Common Factor of 49, 14, 42, 28 by common division method
• Greatest Common Factor of 49, 14, 42, 28 with matching the biggest common factor

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

Factors of 49

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

1,7,49

Factors of 14

List of positive integer factors of 14 that divides 14 without a remainder.

1,2,7,14

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 28

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

1,2,4,7,14,28

Greatest Common Factor

We found the factors 49,14,42,28 . The biggest common factor number is the GCF number.
So the greatest common factor 49,14,42,28 is 7.

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

• GCF of 50, 99, 29, 81
• GCF of 55, 95, 93, 53
• GCF of 83, 22, 37, 26
• GCF of 33, 44, 17, 89
• GCF of 15, 95, 60, 45

1. What is the GCF of 49, 14, 42, 28?

Answer: GCF of 49, 14, 42, 28 is 7.

2. How to Find the GCF of 49, 14, 42, 28

Answer: Greatest Common Factor(GCF) of 49, 14, 42, 28 = 7

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

Step 2: Then multiply all the prime factors GCF(49, 14, 42, 28) = 7.