Greatest Common Factor of 98, 63, 77, 840

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

• Greatest Common Factor of 98, 63, 77, 840 by common division method
• Greatest Common Factor of 98, 63, 77, 840 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 7 = 7

Factors of 98

List of positive integer factors of 98 that divides 98 without a remainder.

1,2,7,14,49,98

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

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

Greatest Common Factor

We found the factors 98,63,77,840 . The biggest common factor number is the GCF number.
So the greatest common factor 98,63,77,840 is 7.

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

• GCF of 83, 28, 11, 422
• GCF of 24, 73, 71, 737
• GCF of 83, 79, 43, 396
• GCF of 60, 57, 22, 292
• GCF of 29, 20, 51, 579

1. What is the GCF of 98, 63, 77, 840?

Answer: GCF of 98, 63, 77, 840 is 7.

2. How to Find the GCF of 98, 63, 77, 840

Answer: Greatest Common Factor(GCF) of 98, 63, 77, 840 = 7

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

Step 2: Then multiply all the prime factors GCF(98, 63, 77, 840) = 7.