Greatest Common Factor of 15, 35, 63, 49

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

• Greatest Common Factor of 15, 35, 63, 49 by common division method
• Greatest Common Factor of 15, 35, 63, 49 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 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 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Greatest Common Factor

We found the factors 15,35,63,49 . The biggest common factor number is the GCF number.
So the greatest common factor 15,35,63,49 is 1.

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

• GCF of 20, 39, 42, 58
• GCF of 26, 80, 29, 48
• GCF of 83, 65, 93, 59
• GCF of 33, 86, 15, 69
• GCF of 41, 90, 58, 16

1. What is the GCF of 15, 35, 63, 49?

Answer: GCF of 15, 35, 63, 49 is 1.

2. How to Find the GCF of 15, 35, 63, 49

Answer: Greatest Common Factor(GCF) of 15, 35, 63, 49 = 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, 63, 49) = 1.