Greatest Common Factor of 209, 154, 40

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

• Greatest Common Factor of 209, 154, 40 by common division method
• Greatest Common Factor of 209, 154, 40 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 209

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

1,11,19,209

Factors of 154

List of positive integer factors of 154 that divides 154 without a remainder.

1,2,7,11,14,22,77,154

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Greatest Common Factor

We found the factors 209,154,40 . The biggest common factor number is the GCF number.
So the greatest common factor 209,154,40 is 1.

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

• GCF of 266, 409, 42
• GCF of 426, 532, 11
• GCF of 216, 817, 60
• GCF of 817, 597, 81
• GCF of 437, 643, 65

1. What is the GCF of 209, 154, 40?

Answer: GCF of 209, 154, 40 is 1.

2. How to Find the GCF of 209, 154, 40

Answer: Greatest Common Factor(GCF) of 209, 154, 40 = 1

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

Step 2: Then multiply all the prime factors GCF(209, 154, 40) = 1.