Greatest Common Factor of 398, 120, 207, 646

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

• Greatest Common Factor of 398, 120, 207, 646 by common division method
• Greatest Common Factor of 398, 120, 207, 646 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 398

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

1,2,199,398

Factors of 120

List of positive integer factors of 120 that divides 120 without a remainder.

1,2,3,4,5,6,8,10,12,15,20,24,30,40,60,120

Factors of 207

List of positive integer factors of 207 that divides 207 without a remainder.

1,3,9,23,69,207

Factors of 646

List of positive integer factors of 646 that divides 646 without a remainder.

1,2,17,19,34,38,323,646

Greatest Common Factor

We found the factors 398,120,207,646 . The biggest common factor number is the GCF number.
So the greatest common factor 398,120,207,646 is 1.

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

• GCF of 200, 142, 647, 686
• GCF of 151, 965, 956, 669
• GCF of 774, 745, 910, 899
• GCF of 371, 252, 813, 318
• GCF of 621, 688, 792, 237

1. What is the GCF of 398, 120, 207, 646?

Answer: GCF of 398, 120, 207, 646 is 1.

2. How to Find the GCF of 398, 120, 207, 646

Answer: Greatest Common Factor(GCF) of 398, 120, 207, 646 = 1

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

Step 2: Then multiply all the prime factors GCF(398, 120, 207, 646) = 1.