Greatest Common Factor of 21, 16, 17, 862

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

• Greatest Common Factor of 21, 16, 17, 862 by common division method
• Greatest Common Factor of 21, 16, 17, 862 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 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 862

List of positive integer factors of 862 that divides 862 without a remainder.

1,2,431,862

Greatest Common Factor

We found the factors 21,16,17,862 . The biggest common factor number is the GCF number.
So the greatest common factor 21,16,17,862 is 1.

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

• GCF of 74, 48, 33, 330
• GCF of 70, 19, 50, 429
• GCF of 93, 66, 56, 451
• GCF of 46, 97, 46, 206
• GCF of 82, 58, 12, 403

1. What is the GCF of 21, 16, 17, 862?

Answer: GCF of 21, 16, 17, 862 is 1.

2. How to Find the GCF of 21, 16, 17, 862

Answer: Greatest Common Factor(GCF) of 21, 16, 17, 862 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 16, 17, 862) = 1.