Greatest Common Factor of 420, 222, 505

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

• Greatest Common Factor of 420, 222, 505 by common division method
• Greatest Common Factor of 420, 222, 505 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 222

List of positive integer factors of 222 that divides 222 without a remainder.

1,2,3,6,37,74,111,222

Factors of 505

List of positive integer factors of 505 that divides 505 without a remainder.

1,5,101,505

Greatest Common Factor

We found the factors 420,222,505 . The biggest common factor number is the GCF number.
So the greatest common factor 420,222,505 is 1.

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

• GCF of 778, 757, 145
• GCF of 519, 684, 396
• GCF of 157, 179, 611
• GCF of 178, 555, 712
• GCF of 183, 346, 718

1. What is the GCF of 420, 222, 505?

Answer: GCF of 420, 222, 505 is 1.

2. How to Find the GCF of 420, 222, 505

Answer: Greatest Common Factor(GCF) of 420, 222, 505 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 222, 505) = 1.