Q6 of 52 Page 326

Check whether 1435 is divisible by 5 and 7? Verify if 1435 is divisible by the product of 5 and 7?

Given, “1435” a number.

Need to find out it is divisible by 5 and 7 and also by product 5 × 7


1435 is divisible by 5. Since, units digit of the number is 5.


Now, we know (6a + 2b + 3c + d) by divisibility rule


6(1) + 2(4) + 3(3) + 5 = 6 + 8 + 9 + 5


= 28 is divisible by 7


1435 is divisible by 7


The product of 5,7 is 35


1435 is divisible by 35 because it is divisible by 5 and divisible by 7.


Hence, 1435 is divisible by 5 and 7 and divisible by the product of 5 and 7.


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