Greatest Common Factor of 48, 61, 42, 17

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

• Greatest Common Factor of 48, 61, 42, 17 by common division method
• Greatest Common Factor of 48, 61, 42, 17 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 48

List of positive integer factors of 48 that divides 48 without a remainder.

1,2,3,4,6,8,12,16,24,48

Factors of 61

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

1,61

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 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Greatest Common Factor

We found the factors 48,61,42,17 . The biggest common factor number is the GCF number.
So the greatest common factor 48,61,42,17 is 1.

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

• GCF of 49, 58, 48, 60
• GCF of 69, 41, 85, 49
• GCF of 20, 53, 31, 81
• GCF of 24, 25, 81, 54
• GCF of 15, 64, 33, 50

1. What is the GCF of 48, 61, 42, 17?

Answer: GCF of 48, 61, 42, 17 is 1.

2. How to Find the GCF of 48, 61, 42, 17

Answer: Greatest Common Factor(GCF) of 48, 61, 42, 17 = 1

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

Step 2: Then multiply all the prime factors GCF(48, 61, 42, 17) = 1.