Greatest Common Factor of 144, 660, 421

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

• Greatest Common Factor of 144, 660, 421 by common division method
• Greatest Common Factor of 144, 660, 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 144

List of positive integer factors of 144 that divides 144 without a remainder.

1,2,3,4,6,8,9,12,16,18,24,36,48,72,144

Factors of 660

List of positive integer factors of 660 that divides 660 without a remainder.

1,2,3,4,5,6,10,11,12,15,20,22,30,33,44,55,60,66,110,132,165,220,330,660

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 144,660,421 . The biggest common factor number is the GCF number.
So the greatest common factor 144,660,421 is 1.

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

• GCF of 438, 420, 410
• GCF of 231, 301, 908
• GCF of 175, 523, 585
• GCF of 783, 184, 841
• GCF of 542, 401, 456

1. What is the GCF of 144, 660, 421?

Answer: GCF of 144, 660, 421 is 1.

2. How to Find the GCF of 144, 660, 421

Answer: Greatest Common Factor(GCF) of 144, 660, 421 = 1

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

Step 2: Then multiply all the prime factors GCF(144, 660, 421) = 1.