Greatest Common Factor of 18, 35, 78, 103

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

• Greatest Common Factor of 18, 35, 78, 103 by common division method
• Greatest Common Factor of 18, 35, 78, 103 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 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 35

List of positive integer factors of 35 that divides 35 without a remainder.

1,5,7,35

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 103

List of positive integer factors of 103 that divides 103 without a remainder.

1,103

Greatest Common Factor

We found the factors 18,35,78,103 . The biggest common factor number is the GCF number.
So the greatest common factor 18,35,78,103 is 1.

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

• GCF of 79, 68, 40, 632
• GCF of 71, 64, 42, 289
• GCF of 74, 31, 62, 788
• GCF of 17, 92, 42, 754
• GCF of 50, 85, 65, 132

1. What is the GCF of 18, 35, 78, 103?

Answer: GCF of 18, 35, 78, 103 is 1.

2. How to Find the GCF of 18, 35, 78, 103

Answer: Greatest Common Factor(GCF) of 18, 35, 78, 103 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 35, 78, 103) = 1.