The number of ring pieces is the number of times 3 is a factor.
eg. 3*3*3*3=81
*times or multiply*
2 to the power of 1 = 2
2 to the power of 2 = 4
2 to the power of 3 = 8
2 to the power of 4=16
A solid ring or donut indicates a number has only two factors, 1 and itself.
eg. 31*1=31
What is the Highest Common Factor of the numbers above?
A special number. It only has one factor, itself. 1*1=1
A special number.
The only even prime.
3 is green
5 is blue
7 is purple
Zero