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∙ 2010-02-25 23:31:56
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Is 627 a prime number?
Sum of digits of 627 = 6+2+7 = 15 15 is exactly divisible by 3. Hence, 627 is divisible by 3. So, it is not a prime number
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 24207 divisible by 9?
Nope - in order for a number to be divisible by 9, the sum of its digits must also be divisible by 9. In this case, the digits 2+4+2+7=15.
How do you know if the number is divisible by 15?
All numbers divisible by 5 (of which 15 is a multiple) have a final digit of 0 or 5. All numbers divisible by 3 (of which 15 is a multiple) have the sum of the digits totalling 3 or a multiple of 3. Therefore, a number is divisible by 15 if the sum of its digits total 3 or a multiple of 3 and its final digit is 0 or 5. Example : 32085 ; 3 + 2 + 0 + 8 + 5 = 18 which is divisible by 3. Final digit 5. This number is divisible by 15. (32085 ÷ 15 = 2139) 7420 : 7 + 4 + 2 + 0 = 13. This number is not divisible by 15.
Is 34215 divisible by 3?
Any number whose sum of its digits are equal to a multiple of 3, is divisible by 3. In this instance, the sum of the digits of the number 34215 is equal to 15, which is divisible by 3, and therefore the number is divisible by 3.
How do you know that a number is divisible by 15?
A number that is divisible by 15 is divisible both by 5 and 3 A number is divisible by 5 if it ends with 0 or 5 A number is divisible by 3 if the sum of its digits is divisible by 3 e.g. 4035 is divisible by 15 as it ends with a 5 and 4+0+3+5=12 which is divisible by 3
The least number of 5 digits which is excately divisible by 4610 and 15 is?
13830 = 4610*3 and 15*922
What does pattern stitch multiple 15 mean in a knitting pattern?
It means make the piece as wide as you need to, but be sure that your total number of stitches is exactly divisible by 15.
Is 15 264 divisible by 3?
Yes it is - it's 5088 exactly.
Line of longitude exactly divisible by 15 degrees?
time meridian
What is the sum of the digits of the largest 4-digit palindromic number which is divisible by 15?
-11
What is a palindrome that has three digits and is divisible by thirty-five?
525 = 35 x 15
