Greatest Common Factor of 70, 61, 30, 66, 462

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

• Greatest Common Factor of 70, 61, 30, 66, 462 by common division method
• Greatest Common Factor of 70, 61, 30, 66, 462 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 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 462

List of positive integer factors of 462 that divides 462 without a remainder.

1,2,3,6,7,11,14,21,22,33,42,66,77,154,231,462

Greatest Common Factor

We found the factors 70,61,30,66,462 . The biggest common factor number is the GCF number.
So the greatest common factor 70,61,30,66,462 is 1.

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

• GCF of 37, 53, 77, 91, 604
• GCF of 82, 14, 86, 78, 736
• GCF of 86, 31, 83, 81, 173
• GCF of 15, 60, 95, 52, 680
• GCF of 69, 58, 72, 10, 237

1. What is the GCF of 70, 61, 30, 66, 462?

Answer: GCF of 70, 61, 30, 66, 462 is 1.

2. How to Find the GCF of 70, 61, 30, 66, 462

Answer: Greatest Common Factor(GCF) of 70, 61, 30, 66, 462 = 1

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

Step 2: Then multiply all the prime factors GCF(70, 61, 30, 66, 462) = 1.