Question

test of divisibility

Answer 1

Step-by-step explanation:

In order to test this, you must take the last digit of the number you're testing and double it. Then, subtract this number from the rest of the remaining digits. If this new number is either 0 or if it's a number that's divisible by 7, then then original number is divisible by seven

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Answer 2

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A divisibility test is a rule for determining whether one whole number is divisible by another. It is a quick way to find factors of large numbers. Divisibility Test for 3: if the sum of the digits of a number is divisible by 3, then the number is divisible by 3.

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