Greatest Common Factor of 7, 16, 61, 49

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

• Greatest Common Factor of 7, 16, 61, 49 by common division method
• Greatest Common Factor of 7, 16, 61, 49 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 7

List of positive integer factors of 7 that divides 7 without a remainder.

1,7

Factors of 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 49

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

1,7,49

Greatest Common Factor

We found the factors 7,16,61,49 . The biggest common factor number is the GCF number.
So the greatest common factor 7,16,61,49 is 1.

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

• GCF of 9, 52, 72, 36
• GCF of 9, 14, 46, 85
• GCF of 3, 39, 91, 80
• GCF of 4, 34, 90, 83
• GCF of 5, 95, 98, 23

1. What is the GCF of 7, 16, 61, 49?

Answer: GCF of 7, 16, 61, 49 is 1.

2. How to Find the GCF of 7, 16, 61, 49

Answer: Greatest Common Factor(GCF) of 7, 16, 61, 49 = 1

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

Step 2: Then multiply all the prime factors GCF(7, 16, 61, 49) = 1.