Greatest Common Factor of 21, 420, 958

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

• Greatest Common Factor of 21, 420, 958 by common division method
• Greatest Common Factor of 21, 420, 958 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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Factors of 958

List of positive integer factors of 958 that divides 958 without a remainder.

1,2,479,958

Greatest Common Factor

We found the factors 21,420,958 . The biggest common factor number is the GCF number.
So the greatest common factor 21,420,958 is 1.

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

• GCF of 97, 608, 535
• GCF of 38, 617, 550
• GCF of 82, 837, 274
• GCF of 89, 722, 940
• GCF of 99, 480, 988

1. What is the GCF of 21, 420, 958?

Answer: GCF of 21, 420, 958 is 1.

2. How to Find the GCF of 21, 420, 958

Answer: Greatest Common Factor(GCF) of 21, 420, 958 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 420, 958) = 1.