Greatest Common Factor of 45, 60, 209, 397

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

• Greatest Common Factor of 45, 60, 209, 397 by common division method
• Greatest Common Factor of 45, 60, 209, 397 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 45

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

1,3,5,9,15,45

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 209

List of positive integer factors of 209 that divides 209 without a remainder.

1,11,19,209

Factors of 397

List of positive integer factors of 397 that divides 397 without a remainder.

1,397

Greatest Common Factor

We found the factors 45,60,209,397 . The biggest common factor number is the GCF number.
So the greatest common factor 45,60,209,397 is 1.

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

• GCF of 16, 42, 118, 970
• GCF of 11, 88, 274, 281
• GCF of 41, 48, 613, 463
• GCF of 51, 70, 410, 751
• GCF of 18, 37, 779, 318

1. What is the GCF of 45, 60, 209, 397?

Answer: GCF of 45, 60, 209, 397 is 1.

2. How to Find the GCF of 45, 60, 209, 397

Answer: Greatest Common Factor(GCF) of 45, 60, 209, 397 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 60, 209, 397) = 1.