Greatest Common Factor of 25, 21, 45, 276

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

• Greatest Common Factor of 25, 21, 45, 276 by common division method
• Greatest Common Factor of 25, 21, 45, 276 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 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Factors of 21

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

1,3,7,21

Factors of 45

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

1,3,5,9,15,45

Factors of 276

List of positive integer factors of 276 that divides 276 without a remainder.

1,2,3,4,6,12,23,46,69,92,138,276

Greatest Common Factor

We found the factors 25,21,45,276 . The biggest common factor number is the GCF number.
So the greatest common factor 25,21,45,276 is 1.

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

• GCF of 96, 32, 93, 345
• GCF of 36, 91, 36, 450
• GCF of 63, 15, 73, 305
• GCF of 53, 91, 10, 441
• GCF of 49, 33, 32, 637

1. What is the GCF of 25, 21, 45, 276?

Answer: GCF of 25, 21, 45, 276 is 1.

2. How to Find the GCF of 25, 21, 45, 276

Answer: Greatest Common Factor(GCF) of 25, 21, 45, 276 = 1

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

Step 2: Then multiply all the prime factors GCF(25, 21, 45, 276) = 1.