Greatest Common Factor of 18, 70, 46, 421

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

• Greatest Common Factor of 18, 70, 46, 421 by common division method
• Greatest Common Factor of 18, 70, 46, 421 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 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 46

List of positive integer factors of 46 that divides 46 without a remainder.

1,2,23,46

Factors of 421

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

1,421

Greatest Common Factor

We found the factors 18,70,46,421 . The biggest common factor number is the GCF number.
So the greatest common factor 18,70,46,421 is 1.

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

• GCF of 54, 19, 80, 333
• GCF of 50, 10, 42, 816
• GCF of 51, 38, 48, 120
• GCF of 57, 97, 94, 678
• GCF of 19, 86, 93, 481

1. What is the GCF of 18, 70, 46, 421?

Answer: GCF of 18, 70, 46, 421 is 1.

2. How to Find the GCF of 18, 70, 46, 421

Answer: Greatest Common Factor(GCF) of 18, 70, 46, 421 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 70, 46, 421) = 1.