Greatest Common Factor of 87, 25, 42, 784

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

• Greatest Common Factor of 87, 25, 42, 784 by common division method
• Greatest Common Factor of 87, 25, 42, 784 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 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 784

List of positive integer factors of 784 that divides 784 without a remainder.

1,2,4,7,8,14,16,28,49,56,98,112,196,392,784

Greatest Common Factor

We found the factors 87,25,42,784 . The biggest common factor number is the GCF number.
So the greatest common factor 87,25,42,784 is 1.

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

• GCF of 90, 78, 15, 274
• GCF of 99, 32, 61, 159
• GCF of 59, 79, 98, 699
• GCF of 88, 53, 85, 232
• GCF of 82, 90, 78, 533

1. What is the GCF of 87, 25, 42, 784?

Answer: GCF of 87, 25, 42, 784 is 1.

2. How to Find the GCF of 87, 25, 42, 784

Answer: Greatest Common Factor(GCF) of 87, 25, 42, 784 = 1

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

Step 2: Then multiply all the prime factors GCF(87, 25, 42, 784) = 1.