Greatest Common Factor of 420, 500, 822, 705, 398

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

• Greatest Common Factor of 420, 500, 822, 705, 398 by common division method
• Greatest Common Factor of 420, 500, 822, 705, 398 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 500

List of positive integer factors of 500 that divides 500 without a remainder.

1,2,4,5,10,20,25,50,100,125,250,500

Factors of 822

List of positive integer factors of 822 that divides 822 without a remainder.

1,2,3,6,137,274,411,822

Factors of 705

List of positive integer factors of 705 that divides 705 without a remainder.

1,3,5,15,47,141,235,705

Factors of 398

List of positive integer factors of 398 that divides 398 without a remainder.

1,2,199,398

Greatest Common Factor

We found the factors 420,500,822,705,398 . The biggest common factor number is the GCF number.
So the greatest common factor 420,500,822,705,398 is 1.

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

• GCF of 676, 713, 242, 716, 335
• GCF of 352, 255, 809, 146, 344
• GCF of 701, 259, 528, 145, 587
• GCF of 390, 772, 842, 964, 200
• GCF of 567, 663, 964, 642, 319

1. What is the GCF of 420, 500, 822, 705, 398?

Answer: GCF of 420, 500, 822, 705, 398 is 1.

2. How to Find the GCF of 420, 500, 822, 705, 398

Answer: Greatest Common Factor(GCF) of 420, 500, 822, 705, 398 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 500, 822, 705, 398) = 1.