Greatest Common Factor of 42, 866, 821

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

• Greatest Common Factor of 42, 866, 821 by common division method
• Greatest Common Factor of 42, 866, 821 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 866

List of positive integer factors of 866 that divides 866 without a remainder.

1,2,433,866

Factors of 821

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

1,821

Greatest Common Factor

We found the factors 42,866,821 . The biggest common factor number is the GCF number.
So the greatest common factor 42,866,821 is 1.

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

• GCF of 66, 217, 684
• GCF of 85, 225, 635
• GCF of 50, 165, 495
• GCF of 19, 113, 931
• GCF of 57, 508, 137

1. What is the GCF of 42, 866, 821?

Answer: GCF of 42, 866, 821 is 1.

2. How to Find the GCF of 42, 866, 821

Answer: Greatest Common Factor(GCF) of 42, 866, 821 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 866, 821) = 1.