Greatest Common Factor of 21, 705, 885

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

• Greatest Common Factor of 21, 705, 885 by common division method
• Greatest Common Factor of 21, 705, 885 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 21

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

1,3,7,21

Factors of 705

List of positive integer factors of 705 that divides 705 without a remainder.

1,3,5,15,47,141,235,705

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 21,705,885 . The biggest common factor number is the GCF number.
So the greatest common factor 21,705,885 is 3.

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

• GCF of 31, 691, 320
• GCF of 14, 541, 556
• GCF of 71, 864, 143
• GCF of 47, 949, 302
• GCF of 11, 287, 619

1. What is the GCF of 21, 705, 885?

Answer: GCF of 21, 705, 885 is 3.

2. How to Find the GCF of 21, 705, 885

Answer: Greatest Common Factor(GCF) of 21, 705, 885 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 705, 885) = 3.