Greatest Common Factor of 61, 36, 66, 289

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

• Greatest Common Factor of 61, 36, 66, 289 by common division method
• Greatest Common Factor of 61, 36, 66, 289 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 36

List of positive integer factors of 36 that divides 36 without a remainder.

1,2,3,4,6,9,12,18,36

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 289

List of positive integer factors of 289 that divides 289 without a remainder.

1,17,289

Greatest Common Factor

We found the factors 61,36,66,289 . The biggest common factor number is the GCF number.
So the greatest common factor 61,36,66,289 is 1.

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

• GCF of 27, 51, 50, 605
• GCF of 17, 41, 47, 616
• GCF of 23, 44, 95, 367
• GCF of 57, 14, 50, 625
• GCF of 46, 48, 16, 375

1. What is the GCF of 61, 36, 66, 289?

Answer: GCF of 61, 36, 66, 289 is 1.

2. How to Find the GCF of 61, 36, 66, 289

Answer: Greatest Common Factor(GCF) of 61, 36, 66, 289 = 1

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

Step 2: Then multiply all the prime factors GCF(61, 36, 66, 289) = 1.