Greatest Common Factor of 70, 21, 54, 164

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

• Greatest Common Factor of 70, 21, 54, 164 by common division method
• Greatest Common Factor of 70, 21, 54, 164 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 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 54

List of positive integer factors of 54 that divides 54 without a remainder.

1,2,3,6,9,18,27,54

Factors of 164

List of positive integer factors of 164 that divides 164 without a remainder.

1,2,4,41,82,164

Greatest Common Factor

We found the factors 70,21,54,164 . The biggest common factor number is the GCF number.
So the greatest common factor 70,21,54,164 is 1.

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

• GCF of 72, 47, 23, 397
• GCF of 55, 32, 71, 618
• GCF of 95, 70, 60, 559
• GCF of 15, 73, 44, 814
• GCF of 33, 68, 23, 817

1. What is the GCF of 70, 21, 54, 164?

Answer: GCF of 70, 21, 54, 164 is 1.

2. How to Find the GCF of 70, 21, 54, 164

Answer: Greatest Common Factor(GCF) of 70, 21, 54, 164 = 1

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

Step 2: Then multiply all the prime factors GCF(70, 21, 54, 164) = 1.