Euclid's Division Lemma Prime Factorisation Calculator Factors of a Number Calculator LCM Calculator GCF Calculator Factor Tree Calculator LCM of Decimals LCM of Fractions GCF of Decimals GCF of Fractions

Greatest Common Factor of 15, 35, 42, 68

GCF of two or more numbers Calculator allows you to quickly calculate the GCF of 15, 35, 42, 68 i.e. 1 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 15, 35, 42, 68 is 1.

GCF(15, 35, 42, 68) = 1

GCF of 15, 35, 42, 68

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

GCF of:

Greatest Common Factor (GCF) of 15,35,42,68 By Common Division

∴ GCF of numbers is 1 because of no common factors present between them.

Greatest Common Factor (GCF) By Matching Biggest Common Factor Method

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 35

List of positive integer factors of 35 that divides 35 without a remainder.

1,5,7,35

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 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Greatest Common Factor

We found the factors 15,35,42,68 . The biggest common factor number is the GCF number.
So the greatest common factor 15,35,42,68 is 1.

GCF of two or more Numbers Calculation Examples

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

Frequently Asked Questions on GCF of 15, 35, 42, 68

1. What is the GCF of 15, 35, 42, 68?

Answer: GCF of 15, 35, 42, 68 is 1.

2. How to Find the GCF of 15, 35, 42, 68

Answer: Greatest Common Factor(GCF) of 15, 35, 42, 68 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 35, 42, 68) = 1.