Greatest Common Factor of 830, 846, 21

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

• Greatest Common Factor of 830, 846, 21 by common division method
• Greatest Common Factor of 830, 846, 21 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 830

List of positive integer factors of 830 that divides 830 without a remainder.

1,2,5,10,83,166,415,830

Factors of 846

List of positive integer factors of 846 that divides 846 without a remainder.

1,2,3,6,9,18,47,94,141,282,423,846

Factors of 21

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

1,3,7,21

Greatest Common Factor

We found the factors 830,846,21 . The biggest common factor number is the GCF number.
So the greatest common factor 830,846,21 is 1.

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

• GCF of 663, 769, 13
• GCF of 627, 389, 63
• GCF of 499, 787, 93
• GCF of 746, 336, 39
• GCF of 608, 446, 90

1. What is the GCF of 830, 846, 21?

Answer: GCF of 830, 846, 21 is 1.

2. How to Find the GCF of 830, 846, 21

Answer: Greatest Common Factor(GCF) of 830, 846, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(830, 846, 21) = 1.