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# Is 1155 a prime number or a composite number?

Updated: 4/28/2022

Wiki User

14y ago

1155 is a composite number because it ends with 5. All numbers that end with 5 except 5 itself are composite numbers because they are divisible by 5, which means there are at least three factors, 1, 5, and the number itself.

Wiki User

10y ago

Wiki User

14y ago

1155 is not prime. 1155 = 3 * 5 * 7 * 11

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Q: Is 1155 a prime number or a composite number?
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It is composite

It is composite.

### Is 1155 a composite number a prime or nethier?

1155 is a composite number because it has more than two factors

### Is 1155 a composite prime or neither?

1155 is a composite number because it has more than two factors.

### Is 1155 prime composite or neither?

1155 is obviously a multiple of 5 and a multiple of 11, so it is a composite number.

### Is 1155 a prime?

1155 is composite.

composite

### Is the number 1155 composite or prime?

1155 ends with 5, which means it is divisible by 5. It is a composite number because it has factors in addition to 1 and itself.

### Is 1155 composite?

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. 1155 is composite.

### Is 1155 a prime number?

1155 = 3 * 5 * 7 * 11 So, no, since it has factors other than one and itself, it's composite.

It is composite.

### Is 1155 prime or composite?

Any number ending in 5 (or 0) is divisible by 5 and is therefore composite. The only exception is 5 itself which is prime.