All the other even numbers can be divided by 2, so no other even numbers are prime. 3 is the next prime number. Work out all the multiples of 3, (6, 9, 12, 15 etc) and forget about these.

At ‘Number School’, numbers are separated into two lines - odd and even. The teacher checks whether or not the numbers are in the correct line. Classroom Ideas ...

We may memorise the rule that numbers ending in 1, 3, 5, 7, or 9 are odd while numbers ending in 0, 2, 4, 6, or 8 are even. Or we may divide a number by 2 – where any whole number outcome means ...

After superstorm Sandy, NY mayor Michael Bloomberg said cars with even number plates could only fill up on even dates. Zero was to count as even, he said. Is this right?