Greatest Common Factor of 21, 139, 462

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

• Greatest Common Factor of 21, 139, 462 by common division method
• Greatest Common Factor of 21, 139, 462 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 139

List of positive integer factors of 139 that divides 139 without a remainder.

1,139

Factors of 462

List of positive integer factors of 462 that divides 462 without a remainder.

1,2,3,6,7,11,14,21,22,33,42,66,77,154,231,462

Greatest Common Factor

We found the factors 21,139,462 . The biggest common factor number is the GCF number.
So the greatest common factor 21,139,462 is 1.

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

• GCF of 21, 323, 933
• GCF of 98, 137, 971
• GCF of 70, 947, 481
• GCF of 64, 198, 313
• GCF of 64, 544, 753

1. What is the GCF of 21, 139, 462?

Answer: GCF of 21, 139, 462 is 1.

2. How to Find the GCF of 21, 139, 462

Answer: Greatest Common Factor(GCF) of 21, 139, 462 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 139, 462) = 1.