What is the difference between the least common multiple and highest common factor of the number 8 and 12?
28
8
4
20
Find the sum of first three multiples of 5.
15
30
35
_________ should subtracted from 642 to make it divisible by 8.
0
1
2
642
The highest common factor of 20 and 24 is
3
First multiple of a number is
10
The number itself
________ should be added to 695 to make it divisible by 10.
5
First 3 multiples of 5 are
2, 4 , 8
5, 10, 15
20, 25, 30
40, 45, 50
What are the common factors of 12 and 18?
1,2,3,4
1,3,4,5
1,2,3,6
1,2,4,6
The number 24 has ________ factors.
2 factors
4 factors
6 factors
8 factors
Which of the following statement is false?
Every number is both a factor and a multiple of itself
56 is a multiple of each one of 4 , 7 and 8
1 is called a unique number because it has only one factor
30615 is divisible by 9
