It is composite
1155 is a composite number because it has more than two factors
It is composite.
1155 = 3 x 5 x 7 x 11
1155, 3x5x7x11=1155.
1155 is composite.
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.
1155 is a composite number because it has more than two factors.
1155 is obviously a multiple of 5 and a multiple of 11, so it is a composite number.
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.
1155
2310