test of divisibility
72578
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No, 2578 is not divisible by 7. It will leave a comma spot.
spot.Divisibilty rule for 7 is: The last digit is multiplied by 2 and subtracted from the rest of the number(Works because 21 is divisible by 7). The result is either 0 or divisible by 7.
2578 ÷ 7 = 368.28571428571
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