Question

whats the divisibility test of 19​

Answer 1

Divisibility rules for numbers 1–30

Divisor Divisibility condition

17 Subtract 5 times the last digit from the rest.

Subtract the last two digits from two times the rest.

18 It is divisible by 2 and by 9.

19 Add twice the last digit to the rest.

Answer 2

Answer:

Step-by-step explanation:

Multiply last digit with 2 and add it to remaining number in given number, result must be divisible by 19. (You can again apply this to check for divisibility by 19.)

Follow the similar examples given in divisibility by 7 and divisibility by 13.