Greatest Common Factor of 61, 45, 207

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

• Greatest Common Factor of 61, 45, 207 by common division method
• Greatest Common Factor of 61, 45, 207 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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 207

List of positive integer factors of 207 that divides 207 without a remainder.

1,3,9,23,69,207

Greatest Common Factor

We found the factors 61,45,207 . The biggest common factor number is the GCF number.
So the greatest common factor 61,45,207 is 1.

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

• GCF of 48, 16, 395
• GCF of 44, 65, 432
• GCF of 72, 37, 985
• GCF of 20, 41, 886
• GCF of 73, 35, 474

1. What is the GCF of 61, 45, 207?

Answer: GCF of 61, 45, 207 is 1.

2. How to Find the GCF of 61, 45, 207

Answer: Greatest Common Factor(GCF) of 61, 45, 207 = 1

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

Step 2: Then multiply all the prime factors GCF(61, 45, 207) = 1.