Greatest Common Factor of 840, 245, 353, 670, 130

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

• Greatest Common Factor of 840, 245, 353, 670, 130 by common division method
• Greatest Common Factor of 840, 245, 353, 670, 130 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 840

List of positive integer factors of 840 that divides 840 without a remainder.

1,2,3,4,5,6,7,8,10,12,14,15,20,21,24,28,30,35,40,42,56,60,70,84,105,120,140,168,210,280,420,840

Factors of 245

List of positive integer factors of 245 that divides 245 without a remainder.

1,5,7,35,49,245

Factors of 353

List of positive integer factors of 353 that divides 353 without a remainder.

1,353

Factors of 670

List of positive integer factors of 670 that divides 670 without a remainder.

1,2,5,10,67,134,335,670

Factors of 130

List of positive integer factors of 130 that divides 130 without a remainder.

1,2,5,10,13,26,65,130

Greatest Common Factor

We found the factors 840,245,353,670,130 . The biggest common factor number is the GCF number.
So the greatest common factor 840,245,353,670,130 is 1.

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

• GCF of 327, 132, 274, 135, 724
• GCF of 118, 933, 108, 879, 830
• GCF of 559, 871, 839, 161, 521
• GCF of 184, 962, 429, 757, 351
• GCF of 673, 804, 724, 303, 559

1. What is the GCF of 840, 245, 353, 670, 130?

Answer: GCF of 840, 245, 353, 670, 130 is 1.

2. How to Find the GCF of 840, 245, 353, 670, 130

Answer: Greatest Common Factor(GCF) of 840, 245, 353, 670, 130 = 1

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

Step 2: Then multiply all the prime factors GCF(840, 245, 353, 670, 130) = 1.