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प्रश्न
Test the divisibility of the following numbers by 6:
71232
उत्तर
A number is divisible by 6 if it is divisible by both 2 and 3.
Since 71232 is divisible by both 2 and 3, it is divisible by 6.
Checking the divisibility by 2: Since the number has 2 in its units place, it is divisible by 2.
Checking the divisibility by 3: The sum of the digits of the number, 7 + 1 + 2 + 3 + 2, is 15, which is divisible by 3. So, the number is divisible by 3.
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संबंधित प्रश्न
Test the divisibility of the following number by 4:
618
Test the divisibility of the following numbers by 6:
251780
Test the divisibility of the following numbers by 6:
872536
Test the divisibility of the following numbers by 8:
2138
Test the divisibility of the following numbers by 9:
3333
Test the divisibility of the following number by 10:
63215
In the following number, replace * by the smallest number to make it divisible by 11:
9*8071
Test the divisibility of 1000001 by 11.
Which of the following is a prime number?
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):
|
Number |
Divisible by |
||||||||
|
2 |
3 |
4 |
5 |
6 |
8 |
9 |
10 |
11 |
|
|
128 |
Yes |
No |
Yes |
No |
No |
Yes |
No |
No |
No |
|
990 |
______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ |
|
1586 |
______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ |
|
275 |
______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ |
|
6686 |
______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ |
|
639210 |
______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ |
|
429714 |
______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ |
|
2856 |
______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ |
|
3060 |
______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ |
|
406839 |
______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ |
