Question

check the divisibility conditions for 5 and 7 of the following numbers
555555 step by step explanation
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Answer 1

Step-by-step explanation:

Divisibility rules for numbers 1–30

Divisor Divisibility condition

7 Adding 5 times the last digit to the rest gives a multiple of 7. (Works because 49 is divisible by 7.)

Subtracting 2 times the last digit from the rest gives a multiple of 7. (Works because 21 is divisible by 7.)