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GCF of a Prime number and a composite number is 1 if the prime number is not a factor of the composite number.

Here 103 is a prime number and 120 is a composite number. And 120 is not divisible by 103(or 103 is not a factor of 120).

So, GCF(103,120) = 1

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13y ago

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More answers

103 is a prime number so only common factor is 1

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14y ago
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You need at least two numbers to find something in common.

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Wiki User

13y ago
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The GCF is 1.

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13y ago
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