Greatest Common Factor of 21, 721, 885

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

• Greatest Common Factor of 21, 721, 885 by common division method
• Greatest Common Factor of 21, 721, 885 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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 721

List of positive integer factors of 721 that divides 721 without a remainder.

1,7,103,721

Factors of 885

List of positive integer factors of 885 that divides 885 without a remainder.

1,3,5,15,59,177,295,885

Greatest Common Factor

We found the factors 21,721,885 . The biggest common factor number is the GCF number.
So the greatest common factor 21,721,885 is 1.

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

• GCF of 26, 172, 320
• GCF of 21, 546, 491
• GCF of 75, 967, 612
• GCF of 25, 102, 411
• GCF of 94, 442, 158

1. What is the GCF of 21, 721, 885?

Answer: GCF of 21, 721, 885 is 1.

2. How to Find the GCF of 21, 721, 885

Answer: Greatest Common Factor(GCF) of 21, 721, 885 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 721, 885) = 1.