a 17128 b 787275 using divisibility tests,determine which of the following numbers are divisible by2, 3,4,5,6,7,8,9,10.write yes or no one?
Answers
a) 17128 : a) divisibility by 2 : yes ,17128 is divisible by 2 because it is divisible by 2.
b) divisibility by 3 : sum of all digits : 1+7+1+2+8 = 19. No, 17128 is not divisible by 3 because the sum of all digits is not divisible by 3.
C) divisibility by 4 : yes, 17128 is divisible by 4 because its last two digits is divisible by 4.
d) divisibility by 5 : No, 17128 is not divisible by 5 because 0 or 5 is not come once place it is not divisible by 5.
e) divisibility by 6 : No, 17128 is not divisible by 6 because it is not divisible by 3 but it it is divisible by 2.
f) divisibility by 7 : No, 17128 is not divisible by 7 because it is not divisible by 7.
g) divisibility by 8 : Yes, 17128 is divisible by 8 because its last 3 digits is divisible by 8.
h) divisibility by 9 : sum of all digits: 1+7+1+2+8 = 19
No, 17128 is not divisible by 9 because the sum of the digits is not divisible by 9.
i) divisibility by 10 : No, 17128 is not divisible by 10 because its last once digit is not 0 because it is not divisible by 10.
b) a) divisibility by 2 : No,787275 is not divisible by 2 because it is not divisible by 2.
b) divisibility by 3 : sum of all digits = 7+8+7+2+7+5 = 36
Yes, 787275 is divisible by 3 because the sum of all digits is divisible by 3.
C) divisibility by 4 : no, 787275 is not divisible by 4 because its last two digits in a divisible by 4.
d) divisibility by 5 : yes, 787275 is divisible by 5 because its last one place is 5 because it is divisible by 5.
e) divisibility by 6 : no, 787275 is not divisible by 6 because is not divisible by 2 because it is divisible by 3.
f) divisibility by 7 : yes, 787275 is divisible by 7 is divisible by 7.
g) divisibility by 8 : no, 787275 is not divisible by 8 because its last three digits is not divisible by 8.
h) divisibility by 9 : sum of all the digits =.7+8+7+2+7+5 = 36
yes, 787275 is divisible by 9 because the sum of all the digits is divisible by 9.
i) divisibility by 10 : no, 787275 is not divisible by 10 because the ones place is Not 0 because it is not divisible by 10.