Factor 8454
8454 = 2 * 3 * 1409
8454 = 6 * 1409
8454 / 6 = 1409
Remark:
2 , 3 , 1409 is prime mumbers
Give reason 8454 is divisible by 6
2 answers
to be divisible by 6, it must be divisible by 2 AND 3
8454 is even, so it is divisible by 2
the sum of the digits of 8454 is 21, which is divisible by 3, so 8454 is divisible by 3
(divisibility test for 3: if the sum of the digits of any number is divisible by 3, so is the number.
The same is true for 9 )
8454 is even, so it is divisible by 2
the sum of the digits of 8454 is 21, which is divisible by 3, so 8454 is divisible by 3
(divisibility test for 3: if the sum of the digits of any number is divisible by 3, so is the number.
The same is true for 9 )