Greatest Common Factor of 45, 21, 946

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

• Greatest Common Factor of 45, 21, 946 by common division method
• Greatest Common Factor of 45, 21, 946 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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 21

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

1,3,7,21

Factors of 946

List of positive integer factors of 946 that divides 946 without a remainder.

1,2,11,22,43,86,473,946

Greatest Common Factor

We found the factors 45,21,946 . The biggest common factor number is the GCF number.
So the greatest common factor 45,21,946 is 1.

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

• GCF of 44, 99, 854
• GCF of 13, 29, 516
• GCF of 55, 39, 204
• GCF of 55, 98, 363
• GCF of 81, 98, 821

1. What is the GCF of 45, 21, 946?

Answer: GCF of 45, 21, 946 is 1.

2. How to Find the GCF of 45, 21, 946

Answer: Greatest Common Factor(GCF) of 45, 21, 946 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 21, 946) = 1.