Greatest Common Factor of 840, 942, 139

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

• Greatest Common Factor of 840, 942, 139 by common division method
• Greatest Common Factor of 840, 942, 139 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 840

List of positive integer factors of 840 that divides 840 without a remainder.

1,2,3,4,5,6,7,8,10,12,14,15,20,21,24,28,30,35,40,42,56,60,70,84,105,120,140,168,210,280,420,840

Factors of 942

List of positive integer factors of 942 that divides 942 without a remainder.

1,2,3,6,157,314,471,942

Factors of 139

List of positive integer factors of 139 that divides 139 without a remainder.

1,139

Greatest Common Factor

We found the factors 840,942,139 . The biggest common factor number is the GCF number.
So the greatest common factor 840,942,139 is 1.

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

• GCF of 927, 515, 386
• GCF of 726, 907, 255
• GCF of 254, 909, 652
• GCF of 877, 172, 298
• GCF of 973, 651, 723

1. What is the GCF of 840, 942, 139?

Answer: GCF of 840, 942, 139 is 1.

2. How to Find the GCF of 840, 942, 139

Answer: Greatest Common Factor(GCF) of 840, 942, 139 = 1

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

Step 2: Then multiply all the prime factors GCF(840, 942, 139) = 1.