Greatest Common Factor of 420, 223, 135

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

• Greatest Common Factor of 420, 223, 135 by common division method
• Greatest Common Factor of 420, 223, 135 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 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 223

List of positive integer factors of 223 that divides 223 without a remainder.

1,223

Factors of 135

List of positive integer factors of 135 that divides 135 without a remainder.

1,3,5,9,15,27,45,135

Greatest Common Factor

We found the factors 420,223,135 . The biggest common factor number is the GCF number.
So the greatest common factor 420,223,135 is 1.

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

• GCF of 140, 210, 805
• GCF of 391, 150, 922
• GCF of 582, 166, 514
• GCF of 953, 897, 287
• GCF of 441, 828, 312

1. What is the GCF of 420, 223, 135?

Answer: GCF of 420, 223, 135 is 1.

2. How to Find the GCF of 420, 223, 135

Answer: Greatest Common Factor(GCF) of 420, 223, 135 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 223, 135) = 1.