what is the divisibility test of 45
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The prime factorization of 45 = 5 x 9. 25110 is divisible by 5 as '0' is at its unit place. 25110 is divisible by 9 as sum of digits is divisible by 9. Therefore, the number must be divisible by 5 x 9 =45.
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seemakhare:
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As 5 is unit place and divisisibilty of 5 and 45 divides by 9 therefore 5×9=45
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Step-by-step explanation:
5×9=45
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