Greatest Common Factor of 693, 105, 840

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

• Greatest Common Factor of 693, 105, 840 by common division method
• Greatest Common Factor of 693, 105, 840 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 x 7 = 21

Factors of 693

List of positive integer factors of 693 that divides 693 without a remainder.

1,3,7,9,11,21,33,63,77,99,231,693

Factors of 105

List of positive integer factors of 105 that divides 105 without a remainder.

1,3,5,7,15,21,35,105

Factors of 840

List of positive integer factors of 840 that divides 840 without a remainder.

1,2,3,4,5,6,7,8,10,12,14,15,20,21,24,28,30,35,40,42,56,60,70,84,105,120,140,168,210,280,420,840

Greatest Common Factor

We found the factors 693,105,840 . The biggest common factor number is the GCF number.
So the greatest common factor 693,105,840 is 21.

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

• GCF of 394, 981, 792
• GCF of 628, 376, 463
• GCF of 704, 196, 208
• GCF of 653, 808, 628
• GCF of 163, 886, 923

1. What is the GCF of 693, 105, 840?

Answer: GCF of 693, 105, 840 is 21.

2. How to Find the GCF of 693, 105, 840

Answer: Greatest Common Factor(GCF) of 693, 105, 840 = 21

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

Step 2: Then multiply all the prime factors GCF(693, 105, 840) = 21.