Greatest Common Factor of 720, 440, 421

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

• Greatest Common Factor of 720, 440, 421 by common division method
• Greatest Common Factor of 720, 440, 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 720

List of positive integer factors of 720 that divides 720 without a remainder.

1,2,3,4,5,6,8,9,10,12,15,16,18,20,24,30,36,40,45,48,60,72,80,90,120,144,180,240,360,720

Factors of 440

List of positive integer factors of 440 that divides 440 without a remainder.

1,2,4,5,8,10,11,20,22,40,44,55,88,110,220,440

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 720,440,421 . The biggest common factor number is the GCF number.
So the greatest common factor 720,440,421 is 1.

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

• GCF of 860, 986, 175
• GCF of 130, 535, 380
• GCF of 301, 995, 553
• GCF of 914, 157, 329
• GCF of 898, 586, 375

1. What is the GCF of 720, 440, 421?

Answer: GCF of 720, 440, 421 is 1.

2. How to Find the GCF of 720, 440, 421

Answer: Greatest Common Factor(GCF) of 720, 440, 421 = 1

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

Step 2: Then multiply all the prime factors GCF(720, 440, 421) = 1.