Greatest Common Factor of 21, 416, 828

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

• Greatest Common Factor of 21, 416, 828 by common division method
• Greatest Common Factor of 21, 416, 828 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 416

List of positive integer factors of 416 that divides 416 without a remainder.

1,2,4,8,13,16,26,32,52,104,208,416

Factors of 828

List of positive integer factors of 828 that divides 828 without a remainder.

1,2,3,4,6,9,12,18,23,36,46,69,92,138,207,276,414,828

Greatest Common Factor

We found the factors 21,416,828 . The biggest common factor number is the GCF number.
So the greatest common factor 21,416,828 is 1.

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

• GCF of 34, 178, 418
• GCF of 61, 272, 281
• GCF of 84, 979, 425
• GCF of 80, 455, 241
• GCF of 26, 528, 472

1. What is the GCF of 21, 416, 828?

Answer: GCF of 21, 416, 828 is 1.

2. How to Find the GCF of 21, 416, 828

Answer: Greatest Common Factor(GCF) of 21, 416, 828 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 416, 828) = 1.