Greatest Common Factor of 420, 888, 19

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

• Greatest Common Factor of 420, 888, 19 by common division method
• Greatest Common Factor of 420, 888, 19 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 888

List of positive integer factors of 888 that divides 888 without a remainder.

1,2,3,4,6,8,12,24,37,74,111,148,222,296,444,888

Factors of 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

Greatest Common Factor

We found the factors 420,888,19 . The biggest common factor number is the GCF number.
So the greatest common factor 420,888,19 is 1.

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

• GCF of 507, 696, 87
• GCF of 254, 768, 35
• GCF of 184, 744, 85
• GCF of 755, 247, 92
• GCF of 133, 802, 81

1. What is the GCF of 420, 888, 19?

Answer: GCF of 420, 888, 19 is 1.

2. How to Find the GCF of 420, 888, 19

Answer: Greatest Common Factor(GCF) of 420, 888, 19 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 888, 19) = 1.