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If a number is divisible by 2 and 4 is it divisible by 8?
Not always for example, 36 is not divisible by 8 but it is divisible by 2 and 4.
If a number is divisible by 2 then its divisible by 4?
This statement is not always true. While it is true that if a number is divisible by 4, it is also divisible by 2, the reverse is not necessarily true. For example, the number 6 is divisible by 2 but not by 4. In general, being divisible by 2 is a necessary but not a sufficient condition for being divisible by 4.
Are all numbers divisible by 2 divisible by 4?
Of course not ! The answer is right within your question: 2 is divisible by 2 but 2 is not divisible by ... (can you dig it ?)
Is there any number divisible by 2 but not 4?
Yes, half of the numbers divisible by 2 are not divisible by 4. For example, 2 is divisible by 2 but not by 4. The same is true for 6, 10, 14, 18, 22, 26, etc.
Can 612 divisible by 4?
612 is divisible by 4. To test divisibility by 4, if the last 2 digits of the number are divisible by 4, then the whole number is divisible by 4. Last 2 digits of 612 are 12, and 12 is divisible by 4 since 3x4 = 12, so 612 is divisible by 4. 612 / 4 = 153.
