Greatest Common Factor of 20, 830, 921

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

• Greatest Common Factor of 20, 830, 921 by common division method
• Greatest Common Factor of 20, 830, 921 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 830

List of positive integer factors of 830 that divides 830 without a remainder.

1,2,5,10,83,166,415,830

Factors of 921

List of positive integer factors of 921 that divides 921 without a remainder.

1,3,307,921

Greatest Common Factor

We found the factors 20,830,921 . The biggest common factor number is the GCF number.
So the greatest common factor 20,830,921 is 1.

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

• GCF of 42, 365, 420
• GCF of 64, 154, 155
• GCF of 17, 381, 936
• GCF of 68, 588, 423
• GCF of 17, 796, 920

1. What is the GCF of 20, 830, 921?

Answer: GCF of 20, 830, 921 is 1.

2. How to Find the GCF of 20, 830, 921

Answer: Greatest Common Factor(GCF) of 20, 830, 921 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 830, 921) = 1.