121 is a composite number because it can be divided evenly by numbers other than 1 and itself. In this case, 121 can be divided by 11 and 1. Prime numbers are only divisible by 1 and themselves, which is not the case for 121.
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121 is a COMPOSITE number. A Prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1, 2, and 0. 1, 2, and 0 have a different name.
121 = 11² = compisote 211 = prime 245 = 5x7² = composite 503 = prime
The number 121 is a composite number, since it is divisible by 11.
1155 is obviously a multiple of 5 and a multiple of 11, so it is a composite number.
A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.
119 is a prime number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.