Question

test 251,76,630 and 1251 for divisibility by 2 ,3, 5 and 10.
plz explain step by step
​

Answer 1

for 25176630

can be divided by 2 because last 2 digit divided by 2

can be divided by 5 and 10 because last digit is 0

can be divided by 3 because sum of all digit is divided by 3

for 1251

not divided by 2 because last digit is odd

not divided by 5 and 10 because last digit is not 5 or 0

divided by 3 because sum of digits is divided by 3