Greatest Common Factor of 438, 840, 56

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

• Greatest Common Factor of 438, 840, 56 by common division method
• Greatest Common Factor of 438, 840, 56 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 438

List of positive integer factors of 438 that divides 438 without a remainder.

1,2,3,6,73,146,219,438

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 56

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

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

Greatest Common Factor

We found the factors 438,840,56 . The biggest common factor number is the GCF number.
So the greatest common factor 438,840,56 is 2.

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

• GCF of 448, 881, 77
• GCF of 366, 268, 52
• GCF of 838, 544, 77
• GCF of 439, 625, 81
• GCF of 630, 946, 54

1. What is the GCF of 438, 840, 56?

Answer: GCF of 438, 840, 56 is 2.

2. How to Find the GCF of 438, 840, 56

Answer: Greatest Common Factor(GCF) of 438, 840, 56 = 2

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

Step 2: Then multiply all the prime factors GCF(438, 840, 56) = 2.