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# What is the greatest common factor 7 21 42 126 252 756?

Updated: 4/28/2022

Wiki User

15y ago

Best Answer

The greatest common factor must be a factor of the smallest number. The smallest number is 7. Its factors are 1 and 7. So the greatest common factor must be either 1 or 7. Since 7 is the larger of the two factors, check whether it is a factor of the additional numbers. Since it is, 7 is the greatest common factor.

Wiki User

15y ago
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### What is the greatest common factor of 126 and 252?

The greatest common factor of 126 and 252 is 126.Always start with finding out if your lower number is a factor of the higher number. Since 126 is a factor of itself (1, 126) and a factor of 252 (2, 126) it is your GCF.

The GCF is 126.

The GCF is 18.

The GCF is 126.

The GCF is 18.

### What are the greatest common factor and least common multiple of 36 and 126?

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### What is the greatest common factor of 126 210 and 252?

The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.The greatest common factor of 126, 210, and 252 is 42

### What is the greatest common factor 7 21 42 126 252 and 756?

7 is the greatest common factor; it divides evenly into all of the numbers.

### What is the gcf oh 252 and 126?

The Greatest Common Factor is 21

### What is the greatest common factor of 252 300?

The greatest common factor of 252 and 300 is 12.

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The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.The greatest common factor of 108 and 252 is 36

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The Greatest Common Factor (GCF) of 90, 120, and 252 is 6.