Greatest Common Factor of 30, 67, 421

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

• Greatest Common Factor of 30, 67, 421 by common division method
• Greatest Common Factor of 30, 67, 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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 67

List of positive integer factors of 67 that divides 67 without a remainder.

1,67

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 30,67,421 . The biggest common factor number is the GCF number.
So the greatest common factor 30,67,421 is 1.

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

• GCF of 46, 96, 623
• GCF of 70, 19, 281
• GCF of 91, 42, 791
• GCF of 13, 62, 935
• GCF of 63, 10, 831

1. What is the GCF of 30, 67, 421?

Answer: GCF of 30, 67, 421 is 1.

2. How to Find the GCF of 30, 67, 421

Answer: Greatest Common Factor(GCF) of 30, 67, 421 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 67, 421) = 1.