Greatest Common Factor of 109, 420, 398, 865, 104

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

• Greatest Common Factor of 109, 420, 398, 865, 104 by common division method
• Greatest Common Factor of 109, 420, 398, 865, 104 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 109

List of positive integer factors of 109 that divides 109 without a remainder.

1,109

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 398

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

1,2,199,398

Factors of 865

List of positive integer factors of 865 that divides 865 without a remainder.

1,5,173,865

Factors of 104

List of positive integer factors of 104 that divides 104 without a remainder.

1,2,4,8,13,26,52,104

Greatest Common Factor

We found the factors 109,420,398,865,104 . The biggest common factor number is the GCF number.
So the greatest common factor 109,420,398,865,104 is 1.

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

• GCF of 311, 149, 331, 836, 166
• GCF of 135, 545, 264, 663, 604
• GCF of 740, 103, 301, 695, 876
• GCF of 359, 101, 183, 792, 938
• GCF of 921, 561, 325, 107, 414

1. What is the GCF of 109, 420, 398, 865, 104?

Answer: GCF of 109, 420, 398, 865, 104 is 1.

2. How to Find the GCF of 109, 420, 398, 865, 104

Answer: Greatest Common Factor(GCF) of 109, 420, 398, 865, 104 = 1

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

Step 2: Then multiply all the prime factors GCF(109, 420, 398, 865, 104) = 1.