3 yes, 2 no.
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No. It is divisible by 5 (it ends in a five) and by 3 (1+2+3+4+5=15 which is divisible by three).
1 15 is only divisible by 1, 3, 5 and 15 26 is only divisible by 1, 2, 13 and 26
Answer - How do you tell if a number is divisible by 3?you add all the digits in the number and see if that number can be divided by 3 Answer - A whole number is divisible by 3 if the sum of its digits is divisible by what?Three (3) Examples:* 27 -- 2+7=9 * 13452 -- 1+3+4+5+2=15 -- 1+5=6If the sum of the digits is divisible by 3, the number is also divisible by 3. Or just do the division.
2 yes, 3 no.
741 is an odd number so is not divisible by 2 741/3 = 247 so yes divisible by 3