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Is 1155 divisible by four different prime numbers?
No, the number 1155 is divisible by four prime numbers (3, 5, 7, 11).
Is 135 divisible by 3?
Yes. It equals 45. A quick rule for numbers to see if they are divisible by 3 is to add all the numbers, for example: 207 = 2 + 0 + 7 = 9 Is 9 divisible by 3...Yes! It helps reduce the large numbers, for an easier answer. The number 8649... 8 + 6 + 4 + 9 = 27 and 27 is divisible by 3, so 8649 is also divisible by 3. BUT...137: 1 + 3 + 7 = 11 11 is not divisible by 3...so, 137 is not divisible by 3.
Is 1155 divisible by 4 prime numbers?
Yes. 1155 = 3 * 5 * 7 * 11
How many numbers from 11 to 50 are there which are exactly divisible by 7 but not by 3?
How many numbers from 11 to 50 are there which are exactly divisible by 7 but not by 3? Five Four Six Two * * * * * Good strategy! List all possible values and one of them must be correct! The correct answer is 4.
How many numbers that are divisible by 11 and 7?
An infinite amount of numbers but the lowest common multiple of 11 and 7 is 77
