As a product of its prime factors: 3*5*7*11 = 1155
prime numbers that divide into 1155 = 3, 5, 7, 11
prime factorization of 1155: 3 x 5 x 7 x 11
As a product of its prime factors: 3*5*7*11 = 1155
No
It is composite.
11
composite
The factors of 1155 = 1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, and 1155. The prime factors of 1155 are 3, 5, 7, 11.
1155 = 3 x 5 x 7 x 11
3 x 5 x 7 x 11 = 1155
3 x 5 x 7 x 11 = 1155