Greatest Common Factor of 98, 45, 49, 70

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

• Greatest Common Factor of 98, 45, 49, 70 by common division method
• Greatest Common Factor of 98, 45, 49, 70 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 98

List of positive integer factors of 98 that divides 98 without a remainder.

1,2,7,14,49,98

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 49

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

1,7,49

Factors of 70

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

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

Greatest Common Factor

We found the factors 98,45,49,70 . The biggest common factor number is the GCF number.
So the greatest common factor 98,45,49,70 is 1.

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

• GCF of 84, 22, 89, 14
• GCF of 82, 58, 17, 26
• GCF of 12, 40, 20, 28
• GCF of 91, 82, 71, 10
• GCF of 18, 33, 21, 69

1. What is the GCF of 98, 45, 49, 70?

Answer: GCF of 98, 45, 49, 70 is 1.

2. How to Find the GCF of 98, 45, 49, 70

Answer: Greatest Common Factor(GCF) of 98, 45, 49, 70 = 1

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

Step 2: Then multiply all the prime factors GCF(98, 45, 49, 70) = 1.