Greatest Common Factor of 42, 1505, 101

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

• Greatest Common Factor of 42, 1505, 101 by common division method
• Greatest Common Factor of 42, 1505, 101 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 42

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

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

Factors of 1505

List of positive integer factors of 1505 that divides 1505 without a remainder.

1,5,7,35,43,215,301,1505

Factors of 101

List of positive integer factors of 101 that divides 101 without a remainder.

1,101

Greatest Common Factor

We found the factors 42,1505,101 . The biggest common factor number is the GCF number.
So the greatest common factor 42,1505,101 is 1.

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

• GCF of 98, 7730, 909
• GCF of 13, 5003, 442
• GCF of 28, 6261, 157
• GCF of 87, 2220, 947
• GCF of 79, 3539, 473

1. What is the GCF of 42, 1505, 101?

Answer: GCF of 42, 1505, 101 is 1.

2. How to Find the GCF of 42, 1505, 101

Answer: Greatest Common Factor(GCF) of 42, 1505, 101 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 1505, 101) = 1.