Greatest Common Factor of 420, 455, 168

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

• Greatest Common Factor of 420, 455, 168 by common division method
• Greatest Common Factor of 420, 455, 168 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 7 = 7

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 455

List of positive integer factors of 455 that divides 455 without a remainder.

1,5,7,13,35,65,91,455

Factors of 168

List of positive integer factors of 168 that divides 168 without a remainder.

1,2,3,4,6,7,8,12,14,21,24,28,42,56,84,168

Greatest Common Factor

We found the factors 420,455,168 . The biggest common factor number is the GCF number.
So the greatest common factor 420,455,168 is 7.

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

• GCF of 349, 526, 673
• GCF of 867, 325, 983
• GCF of 395, 666, 571
• GCF of 429, 797, 146
• GCF of 659, 186, 102

1. What is the GCF of 420, 455, 168?

Answer: GCF of 420, 455, 168 is 7.

2. How to Find the GCF of 420, 455, 168

Answer: Greatest Common Factor(GCF) of 420, 455, 168 = 7

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

Step 2: Then multiply all the prime factors GCF(420, 455, 168) = 7.