Greatest Common Factor of 61, 78, 206, 143

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

• Greatest Common Factor of 61, 78, 206, 143 by common division method
• Greatest Common Factor of 61, 78, 206, 143 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 61

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

1,61

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 206

List of positive integer factors of 206 that divides 206 without a remainder.

1,2,103,206

Factors of 143

List of positive integer factors of 143 that divides 143 without a remainder.

1,11,13,143

Greatest Common Factor

We found the factors 61,78,206,143 . The biggest common factor number is the GCF number.
So the greatest common factor 61,78,206,143 is 1.

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

• GCF of 38, 97, 772, 602
• GCF of 80, 14, 642, 956
• GCF of 58, 19, 206, 516
• GCF of 95, 12, 236, 131
• GCF of 77, 63, 832, 815

1. What is the GCF of 61, 78, 206, 143?

Answer: GCF of 61, 78, 206, 143 is 1.

2. How to Find the GCF of 61, 78, 206, 143

Answer: Greatest Common Factor(GCF) of 61, 78, 206, 143 = 1

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

Step 2: Then multiply all the prime factors GCF(61, 78, 206, 143) = 1.