Greatest Common Factor of 420, 448, 65

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

• Greatest Common Factor of 420, 448, 65 by common division method
• Greatest Common Factor of 420, 448, 65 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 448

List of positive integer factors of 448 that divides 448 without a remainder.

1,2,4,7,8,14,16,28,32,56,64,112,224,448

Factors of 65

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

1,5,13,65

Greatest Common Factor

We found the factors 420,448,65 . The biggest common factor number is the GCF number.
So the greatest common factor 420,448,65 is 1.

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

• GCF of 775, 631, 17
• GCF of 445, 937, 14
• GCF of 249, 721, 39
• GCF of 213, 551, 39
• GCF of 985, 690, 91

1. What is the GCF of 420, 448, 65?

Answer: GCF of 420, 448, 65 is 1.

2. How to Find the GCF of 420, 448, 65

Answer: Greatest Common Factor(GCF) of 420, 448, 65 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 448, 65) = 1.