Greatest Common Factor of 399, 969, 840

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

• Greatest Common Factor of 399, 969, 840 by common division method
• Greatest Common Factor of 399, 969, 840 with matching the biggest common factor

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

Factors of 399

List of positive integer factors of 399 that divides 399 without a remainder.

1,3,7,19,21,57,133,399

Factors of 969

List of positive integer factors of 969 that divides 969 without a remainder.

1,3,17,19,51,57,323,969

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 399,969,840 . The biggest common factor number is the GCF number.
So the greatest common factor 399,969,840 is 3.

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

• GCF of 358, 870, 312
• GCF of 164, 549, 676
• GCF of 452, 172, 265
• GCF of 171, 234, 934
• GCF of 712, 238, 921

1. What is the GCF of 399, 969, 840?

Answer: GCF of 399, 969, 840 is 3.

2. How to Find the GCF of 399, 969, 840

Answer: Greatest Common Factor(GCF) of 399, 969, 840 = 3

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

Step 2: Then multiply all the prime factors GCF(399, 969, 840) = 3.