Greatest Common Factor of 972, 210, 861

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

• Greatest Common Factor of 972, 210, 861 by common division method
• Greatest Common Factor of 972, 210, 861 with matching the biggest common factor

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

Factors of 972

List of positive integer factors of 972 that divides 972 without a remainder.

1,2,3,4,6,9,12,18,27,36,54,81,108,162,243,324,486,972

Factors of 210

List of positive integer factors of 210 that divides 210 without a remainder.

1,2,3,5,6,7,10,14,15,21,30,35,42,70,105,210

Factors of 861

List of positive integer factors of 861 that divides 861 without a remainder.

1,3,7,21,41,123,287,861

Greatest Common Factor

We found the factors 972,210,861 . The biggest common factor number is the GCF number.
So the greatest common factor 972,210,861 is 3.

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

• GCF of 309, 106, 958
• GCF of 462, 652, 339
• GCF of 600, 976, 623
• GCF of 625, 375, 938
• GCF of 803, 124, 206

1. What is the GCF of 972, 210, 861?

Answer: GCF of 972, 210, 861 is 3.

2. How to Find the GCF of 972, 210, 861

Answer: Greatest Common Factor(GCF) of 972, 210, 861 = 3

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

Step 2: Then multiply all the prime factors GCF(972, 210, 861) = 3.