Greatest Common Factor of 821, 240, 990

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

• Greatest Common Factor of 821, 240, 990 by common division method
• Greatest Common Factor of 821, 240, 990 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 821

List of positive integer factors of 821 that divides 821 without a remainder.

1,821

Factors of 240

List of positive integer factors of 240 that divides 240 without a remainder.

1,2,3,4,5,6,8,10,12,15,16,20,24,30,40,48,60,80,120,240

Factors of 990

List of positive integer factors of 990 that divides 990 without a remainder.

1,2,3,5,6,9,10,11,15,18,22,30,33,45,55,66,90,99,110,165,198,330,495,990

Greatest Common Factor

We found the factors 821,240,990 . The biggest common factor number is the GCF number.
So the greatest common factor 821,240,990 is 1.

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

• GCF of 123, 308, 565
• GCF of 912, 867, 312
• GCF of 244, 199, 148
• GCF of 839, 703, 720
• GCF of 611, 369, 471

1. What is the GCF of 821, 240, 990?

Answer: GCF of 821, 240, 990 is 1.

2. How to Find the GCF of 821, 240, 990

Answer: Greatest Common Factor(GCF) of 821, 240, 990 = 1

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

Step 2: Then multiply all the prime factors GCF(821, 240, 990) = 1.