They are the numbers which are integer multiples of 5
5*1=5
5*2=10
5*3=15
5*4=20
5*5= 25
etc
you will notice that they end in 5 or 0.
5 & 17
1, 2, 4, 5, 10, and 20 divide evenly into 20.
10 can be divided evenly into 2 and 5, which are the factors of 10.
5 and 1
They are: 1, 2, 5 and 10
A factor can divide into its multiple evenly.
No. These are the numbers that divide evenly into 30: 1 2 3 5 6 10 15 and 30.
The numbers that divide evenly into 30 between 1 and 11 are 1, 2, 3, 5, and 6.
These four: 1 5 1009 and 5045.
1 2 4 5 10 and 20.
1 2 5 10 25 50.
1 3 5 15 25 75.