Greatest Common Factor of 420, 856, 23

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

• Greatest Common Factor of 420, 856, 23 by common division method
• Greatest Common Factor of 420, 856, 23 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 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 856

List of positive integer factors of 856 that divides 856 without a remainder.

1,2,4,8,107,214,428,856

Factors of 23

List of positive integer factors of 23 that divides 23 without a remainder.

1,23

Greatest Common Factor

We found the factors 420,856,23 . The biggest common factor number is the GCF number.
So the greatest common factor 420,856,23 is 1.

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

• GCF of 926, 617, 46
• GCF of 632, 221, 36
• GCF of 509, 263, 88
• GCF of 153, 812, 70
• GCF of 739, 542, 71

1. What is the GCF of 420, 856, 23?

Answer: GCF of 420, 856, 23 is 1.

2. How to Find the GCF of 420, 856, 23

Answer: Greatest Common Factor(GCF) of 420, 856, 23 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 856, 23) = 1.