Greatest Common Factor of 21, 23, 146

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

• Greatest Common Factor of 21, 23, 146 by common division method
• Greatest Common Factor of 21, 23, 146 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 23

List of positive integer factors of 23 that divides 23 without a remainder.

1,23

Factors of 146

List of positive integer factors of 146 that divides 146 without a remainder.

1,2,73,146

Greatest Common Factor

We found the factors 21,23,146 . The biggest common factor number is the GCF number.
So the greatest common factor 21,23,146 is 1.

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

• GCF of 62, 10, 762
• GCF of 19, 15, 947
• GCF of 18, 71, 390
• GCF of 51, 58, 503
• GCF of 83, 28, 891

1. What is the GCF of 21, 23, 146?

Answer: GCF of 21, 23, 146 is 1.

2. How to Find the GCF of 21, 23, 146

Answer: Greatest Common Factor(GCF) of 21, 23, 146 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 23, 146) = 1.