Question

What's the method to check divisibilty by 7?​

Answer 1

HEY MATE HERE IS YOOUR ANSWER

Take the last digit of the number you're testing and double it. Subtract this number from the rest of the digits in the original number. If this new number is either 0 or if it's a number that's divisible by 7, then you know that the original number is also divisible by 7

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