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What is the divisiblity rule for 15?
A number is divisible by 15 if it is divisible by 5, and by 3. For example, 165 is divisible by 15, since it ends in 5, and the sum of its digits is divisible by 3.
Is 165 prime?
No it isn't. Any number ending in the digit 5 is divisible by 5, and hence not prime.
Is 165 divisible by 6?
165/6 = 27.5
How many natural numbers below 660 are divisible by 5 and 11 but not by 3?
8 of the numbers less than 660 are divisible by 5 and 11 but not 3. All numbers divisible by 5 and 11 are multiples of their lcm; lcm(5, 11) = 55 All numbers divisibile by 5, 11 and 3 are multiples of their lcm; lcm(5, 11, 3) = 165 659 ÷ 55 = 11 54/55 → 11 numbers less than 660 are divisible by 5 and 11 659 ÷ 165 = 3 164/165 → 3 numbers less than 660 are divisible by 5, 11 and 3 → of the 11 numbers less than 660 divisible by 5 and 11, 3 are also divisible by 3 → 11 - 3 = 8 numbers less than 660 are divisible by 5 and 11 but not 3,.
Is 165 divisible by 3 and why?
165 is wholly divisible by 3. This is because 165 can be represented in the form k*3 = l, where k is a positive integer.
What three digit number is divisible by 3 and 5 but not divisible by 10?
135. Every increase of 30 is also. Such as 165, 195, 225.
Is 165 divisible by 4?
No.
Does 55 go into 165?
Yes. 165 is evenly divisible by 55.
Does three go into 165?
Yes. 165 is evenly divisible by three.
What number is divisible by 165?
All multiples of 165, which is an infinite number.
Is 165 divisible by 3?
Yes. it is. Because 1+6+5 = 12 and 3 goes into 12.
Is 165 divisible by three?
yes
