Greatest Common Factor of 30, 25, 65, 423

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

• Greatest Common Factor of 30, 25, 65, 423 by common division method
• Greatest Common Factor of 30, 25, 65, 423 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 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Factors of 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 423

List of positive integer factors of 423 that divides 423 without a remainder.

1,3,9,47,141,423

Greatest Common Factor

We found the factors 30,25,65,423 . The biggest common factor number is the GCF number.
So the greatest common factor 30,25,65,423 is 1.

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

• GCF of 17, 67, 25, 447
• GCF of 10, 81, 91, 479
• GCF of 29, 44, 44, 489
• GCF of 72, 54, 67, 851
• GCF of 37, 13, 28, 993

1. What is the GCF of 30, 25, 65, 423?

Answer: GCF of 30, 25, 65, 423 is 1.

2. How to Find the GCF of 30, 25, 65, 423

Answer: Greatest Common Factor(GCF) of 30, 25, 65, 423 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 25, 65, 423) = 1.