Greatest Common Factor of 20, 18, 897, 648

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

• Greatest Common Factor of 20, 18, 897, 648 by common division method
• Greatest Common Factor of 20, 18, 897, 648 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 897

List of positive integer factors of 897 that divides 897 without a remainder.

1,3,13,23,39,69,299,897

Factors of 648

List of positive integer factors of 648 that divides 648 without a remainder.

1,2,3,4,6,8,9,12,18,24,27,36,54,72,81,108,162,216,324,648

Greatest Common Factor

We found the factors 20,18,897,648 . The biggest common factor number is the GCF number.
So the greatest common factor 20,18,897,648 is 1.

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

• GCF of 86, 42, 263, 813
• GCF of 19, 72, 606, 237
• GCF of 27, 99, 353, 362
• GCF of 79, 36, 156, 425
• GCF of 53, 38, 528, 504

1. What is the GCF of 20, 18, 897, 648?

Answer: GCF of 20, 18, 897, 648 is 1.

2. How to Find the GCF of 20, 18, 897, 648

Answer: Greatest Common Factor(GCF) of 20, 18, 897, 648 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 18, 897, 648) = 1.