Question

Check if (a) 2439780 and (b) 639210 is divisible by 2,3,4,5,6,8,10,11

Answer 1

Answer:

es,2439780 is divisible by 2,3,4,5,10

divisibility rules for 2,3,4,5,10 are

2-if last digit is 0,2,4,6,8 so last digit is 0

3-sum of digits is divisible by 3 so 2+4+3+9+7+8+0=33 so it is divisible by 3

4-if last two digits by 4 so last two digits of number is 80 it is divisible by 4

5-if last digit is 0 or 5 so last digit is 0

10-if last digit is 0 so last digit is

The number is divisible by 2,3,4,5,10

or

2439780/2=1219890

2439780/3=813260

2439780/4=609945

2439780/5=487956

2439780/10=243978

Hope it will help you !

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