Greatest Common Factor of 21, 432, 830

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

• Greatest Common Factor of 21, 432, 830 by common division method
• Greatest Common Factor of 21, 432, 830 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 432

List of positive integer factors of 432 that divides 432 without a remainder.

1,2,3,4,6,8,9,12,16,18,24,27,36,48,54,72,108,144,216,432

Factors of 830

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

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

Greatest Common Factor

We found the factors 21,432,830 . The biggest common factor number is the GCF number.
So the greatest common factor 21,432,830 is 1.

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

• GCF of 63, 484, 323
• GCF of 88, 747, 807
• GCF of 68, 925, 391
• GCF of 10, 837, 632
• GCF of 89, 890, 497

1. What is the GCF of 21, 432, 830?

Answer: GCF of 21, 432, 830 is 1.

2. How to Find the GCF of 21, 432, 830

Answer: Greatest Common Factor(GCF) of 21, 432, 830 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 432, 830) = 1.