Greatest Common Factor of 45, 56, 840

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

• Greatest Common Factor of 45, 56, 840 by common division method
• Greatest Common Factor of 45, 56, 840 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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

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 45,56,840 . The biggest common factor number is the GCF number.
So the greatest common factor 45,56,840 is 1.

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

• GCF of 62, 80, 149
• GCF of 65, 66, 433
• GCF of 29, 38, 709
• GCF of 52, 43, 360
• GCF of 98, 10, 684

1. What is the GCF of 45, 56, 840?

Answer: GCF of 45, 56, 840 is 1.

2. How to Find the GCF of 45, 56, 840

Answer: Greatest Common Factor(GCF) of 45, 56, 840 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 56, 840) = 1.