Greatest Common Factor of 25, 21, 661

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

• Greatest Common Factor of 25, 21, 661 by common division method
• Greatest Common Factor of 25, 21, 661 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ 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 661

List of positive integer factors of 661 that divides 661 without a remainder.

1,661

Greatest Common Factor

We found the factors 25,21,661 . The biggest common factor number is the GCF number.
So the greatest common factor 25,21,661 is 1.

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

• GCF of 28, 84, 803
• GCF of 23, 27, 359
• GCF of 73, 30, 924
• GCF of 72, 36, 820
• GCF of 22, 34, 946

1. What is the GCF of 25, 21, 661?

Answer: GCF of 25, 21, 661 is 1.

2. How to Find the GCF of 25, 21, 661

Answer: Greatest Common Factor(GCF) of 25, 21, 661 = 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, 661) = 1.