No.
Yes. 1155 = 3 * 5 * 7 * 11
No, the number 1155 is divisible by four prime numbers (3, 5, 7, 11).
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.
1155/2 = 577.5
The number 1155 is divisible by several numbers, including 1, 3, 5, 7, 11, 15, 21, 35, 77, 105, 165, 231, and 385, as well as 1155 itself. Its prime factorization is 3 × 5 × 7 × 11, which helps identify these divisors. Thus, any combination of these factors will also be a divisor.
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.
1153 and 2
30% of 1155= 30% * 1155= 0.3 * 1155= 346.5
Any number ending in 5 (or 0) is divisible by 5 and is therefore composite. The only exception is 5 itself which is prime.
1155 is composite.
No, both are divisible by 2.No, both are divisible by 2.No, both are divisible by 2.No, both are divisible by 2.
351 is not divisible by 2. 2 is not divisible by 351.