Question

Using divisibility tests, determine which of the following numbers are divisible by 2;
by 3, by 4, by 5, by 6; by 8, by 9, by 10. by 11 (say, yes or no)


1586
275
6686
639210
429714

Answer 1

Step-by-step explanation:

1.1586 is divisible by 2 because it ending with 6.

2.275 is divisible by 5 because it ends with 5,

and we know that if a number ends with o, 5 it

will end with 5 so itis divisible by 5

3.6686 is divisible by 2 because it ends with 6.

4.639210 is divisible by 2 because it ends wito.

639210 is divisible by 5 because it end with o.

639210 is divisible by 10 because it is ends with o.

639210 is divisible by 3 because the sum of the digits are 6+3+9+2+1+0- 21 so it is divisible by 3.

we know that if 639210 if divisible by 2and3 so it would be divisible by 6.

we know that if the number 639210 divisible by 3 it would be divisible by 9.

5.429714 is divisible by 2 because it ends with 4.

429714 is divisible by 3 because the sum of the digits are 4+2+9+7+1+4-27 .27 is divisible by 3 so the number is divisible by 3.

429714 is divisible by 6 because the number 429714 is divisible by 2and3.

429714 is divisible by 9 because the number 429714 is divisible by 3.

all questions are solved