Greatest Common Factor of 825, 420, 172

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

• Greatest Common Factor of 825, 420, 172 by common division method
• Greatest Common Factor of 825, 420, 172 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 825

List of positive integer factors of 825 that divides 825 without a remainder.

1,3,5,11,15,25,33,55,75,165,275,825

Factors of 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Factors of 172

List of positive integer factors of 172 that divides 172 without a remainder.

1,2,4,43,86,172

Greatest Common Factor

We found the factors 825,420,172 . The biggest common factor number is the GCF number.
So the greatest common factor 825,420,172 is 1.

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

• GCF of 964, 169, 714
• GCF of 747, 393, 822
• GCF of 869, 781, 980
• GCF of 629, 792, 157
• GCF of 154, 852, 371

1. What is the GCF of 825, 420, 172?

Answer: GCF of 825, 420, 172 is 1.

2. How to Find the GCF of 825, 420, 172

Answer: Greatest Common Factor(GCF) of 825, 420, 172 = 1

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

Step 2: Then multiply all the prime factors GCF(825, 420, 172) = 1.