Greatest Common Factor of 421, 103, 840

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

• Greatest Common Factor of 421, 103, 840 by common division method
• Greatest Common Factor of 421, 103, 840 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 421

List of positive integer factors of 421 that divides 421 without a remainder.

1,421

Factors of 103

List of positive integer factors of 103 that divides 103 without a remainder.

1,103

Factors of 840

List of positive integer factors of 840 that divides 840 without a remainder.

1,2,3,4,5,6,7,8,10,12,14,15,20,21,24,28,30,35,40,42,56,60,70,84,105,120,140,168,210,280,420,840

Greatest Common Factor

We found the factors 421,103,840 . The biggest common factor number is the GCF number.
So the greatest common factor 421,103,840 is 1.

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

• GCF of 277, 892, 170
• GCF of 341, 899, 136
• GCF of 520, 478, 177
• GCF of 269, 886, 800
• GCF of 471, 885, 118

1. What is the GCF of 421, 103, 840?

Answer: GCF of 421, 103, 840 is 1.

2. How to Find the GCF of 421, 103, 840

Answer: Greatest Common Factor(GCF) of 421, 103, 840 = 1

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

Step 2: Then multiply all the prime factors GCF(421, 103, 840) = 1.