no, because
11 times 11=121
so its a composite.
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The prime factor of 7 is 7. The prime factor of 121 is 11.
The factors of -121 are 1, -1, 11, -11, 121, -121 The prime factor is 11.
121 = 11 × 11
The factors of 121 are: 1,11,121.The only prime factor is: 11
The square of any prime number has only three factors. Example: 121 is the square of 11, a prime number. The only factors of 121 are 1, 11, and 121 itself.