No.
No.
621 is divisible by 9?
621 is not divisible by 6.
No
436 ÷ 4 = 109
621 is divisible by these numbers: 1, 3, 9, 23, 27, 69, 207, 621.
It is not. 621 is divisible by 3, not the other way round.
As 4 is less than 621, 4 is not divisible by 621. Nor is 621 divisible by 4: 4 is even and all multiples of 4 are even, 621 is odd and so cannot be a multiple of 4. To check divisibility by 4, if the the last 2 digits are divisible by 4, the original number is divisible by 4. For 621, the last 2 digits are 21 and 21 is not divisible by 4, thus 621 is not divisible by 4; nor is 622 since the last 2 digits 22 is not divisible by 4.
No. 47 is a prime number and is only divisible by 1 and itself.
no because 621 is odd.
No. 634 divided by four is 158.5.
In order for a number to be divisible by 6, it must be divisible by both 3 and 2. 621 is divisible by 3, but not by 2. In other words, 6 will not go into 621 evenly. The answer will be a decimal.