It can be shown (see exercises 1-4) that an integer is

Chapter 4, Problem 36E

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QUESTION: It can be shown (see exercises 44–48) that an integer is divisible by 3 if, and only if, the sum of its digits is divisible by 3. An integer is divisible by 9 if, and only if, the sum of its digits is divisible by 9. An integer is divisible by 5 if, and only if, its rightmost digit is a 5 or a 0. And an integer is divisible by 4 if, and only if, the number formed by its rightmost two digits is divisible by 4. Check the following integers for divisibility by 3, 4, 5 and 9.a. 637,425,403,705,125b. 12,858,306,120,312c. 517,924,440,926,512d. 14,328,083,360,232

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QUESTION: It can be shown (see exercises 44–48) that an integer is divisible by 3 if, and only if, the sum of its digits is divisible by 3. An integer is divisible by 9 if, and only if, the sum of its digits is divisible by 9. An integer is divisible by 5 if, and only if, its rightmost digit is a 5 or a 0. And an integer is divisible by 4 if, and only if, the number formed by its rightmost two digits is divisible by 4. Check the following integers for divisibility by 3, 4, 5 and 9.a. 637,425,403,705,125b. 12,858,306,120,312c. 517,924,440,926,512d. 14,328,083,360,232

ANSWER:

Please don't check this question right now it’s incomplete i will continue tomorrow.Solution:Step 1:In this question, we have to check the following integers for divisibility by 3, 4, 5 and 9.

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