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.
30% of 1155= 30% * 1155= 0.3 * 1155= 346.5
231 X 5 = 1155
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 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.
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.
1155/2 = 577.5
It is: 1155/50 = 23.1
1155 to the nearest tens is 1,160
231 X 5 = 1155