Greatest Common Factor of 521, 720, 821, 994, 172

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

• Greatest Common Factor of 521, 720, 821, 994, 172 by common division method
• Greatest Common Factor of 521, 720, 821, 994, 172 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 521

List of positive integer factors of 521 that divides 521 without a remainder.

1,521

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 821

List of positive integer factors of 821 that divides 821 without a remainder.

1,821

Factors of 994

List of positive integer factors of 994 that divides 994 without a remainder.

1,2,7,14,71,142,497,994

Factors of 172

List of positive integer factors of 172 that divides 172 without a remainder.

1,2,4,43,86,172

Greatest Common Factor

We found the factors 521,720,821,994,172 . The biggest common factor number is the GCF number.
So the greatest common factor 521,720,821,994,172 is 1.

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

• GCF of 915, 797, 390, 505, 979
• GCF of 314, 355, 193, 435, 484
• GCF of 195, 530, 522, 439, 114
• GCF of 236, 734, 588, 332, 664
• GCF of 150, 417, 467, 434, 739

1. What is the GCF of 521, 720, 821, 994, 172?

Answer: GCF of 521, 720, 821, 994, 172 is 1.

2. How to Find the GCF of 521, 720, 821, 994, 172

Answer: Greatest Common Factor(GCF) of 521, 720, 821, 994, 172 = 1

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

Step 2: Then multiply all the prime factors GCF(521, 720, 821, 994, 172) = 1.