All the factors of a given number are always smaller than or equal to that number.
True
False
360 is a multiple of 3.
True
False
All the multiples of a given number are always smaller than or equal to that number.
True
False
A number is divisible by 9, if the sum of all its digits is divisible by 9.
True
False
408 is divisible by 4, because 4 + 0 + 8 = 12 is divisible by 4.
True
False
Click the correct answer.
Which of the following is a factor of 525?
2
5
6
11
Which of the following is a multiple of 18?
15
22
36
39
All factors of 22 and 24 are given. Factors of 22: 1, 2, 11 and 22 Factors of 24: 1, 2, 3, 4, 6, 8, 12 and 24 What are their common factors?
Only 1
Only 2
1 and 2
1, 2, 22 and 24
What are the first two common multiples of 3 and 6?
3 and 6
12 and 24
3 and 12
6 and 12
What is the H.C.F. of 15 and 30?
10
15
25
30
What is the L.C.M. of 18 and 36?
18
27
36
54
Which statement is correct? Statement A: 345 is divisible by 5. Statement B: 345 is divisible by 2.
Only A
Only B
Both A and B
Neither A nor B
What will be the L.C.M. of the prime numbers 19 and 43?
43 + 19
43 – 19
43 ÷ 19
43 × 19
All the factors of 12 and 28 are given. Factors of 12: 1, 2, 3, 4, 6 and 12 Factors of 28: 1, 2, 4, 7, 14 and 28 Which of these two numbers is a perfect number?
Only 12
Only 28
Both 12 and 28
Neither 12 nor 28
Click each box on the left and also click on the matching box of the right.
Match the 3-digit numbers with the numbers that completely divide them.
244
513
255
130
606
2 and 4
3 and 9
3 and 5
2, 5 and 10
2, 3 and 6
Click the correct answer.
The only even prime number is
.
2
3
4
The smallest composite number is
.
2
4
9
Every number is a
of 1.
multiple
factor
divisor
A number can have
multiples.
finite
infinite
zero
A prime number has
factors.
only one
only two
more than two
is neither a prime nor a composite number.
1
2
4
The smallest factor of every number is
.
0
1
the number itself
Every number is a multiple of
.
0
1
itself
A
is a prime number that divides the given number exactly.
factor
multiple
prime factor
A number which is divisible by 2 and 3 is also divisible by
.
