Greatest Common Factor of 49, 20, 139, 208

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

• Greatest Common Factor of 49, 20, 139, 208 by common division method
• Greatest Common Factor of 49, 20, 139, 208 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 49

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

1,7,49

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 139

List of positive integer factors of 139 that divides 139 without a remainder.

1,139

Factors of 208

List of positive integer factors of 208 that divides 208 without a remainder.

1,2,4,8,13,16,26,52,104,208

Greatest Common Factor

We found the factors 49,20,139,208 . The biggest common factor number is the GCF number.
So the greatest common factor 49,20,139,208 is 1.

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

• GCF of 63, 87, 447, 658
• GCF of 46, 43, 900, 825
• GCF of 78, 36, 723, 626
• GCF of 66, 27, 164, 904
• GCF of 65, 46, 650, 930

1. What is the GCF of 49, 20, 139, 208?

Answer: GCF of 49, 20, 139, 208 is 1.

2. How to Find the GCF of 49, 20, 139, 208

Answer: Greatest Common Factor(GCF) of 49, 20, 139, 208 = 1

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

Step 2: Then multiply all the prime factors GCF(49, 20, 139, 208) = 1.