Up : Down :: Factor :_____________ .
7 : 4 :: 5 : ________ .
_____________ : 9 :: 4 : 24.
Clearly 5 is a factor of 45 and not a multiple of 3.
Which one of the following is a factor of 45 and not a multiple of 3?
Which one of the following is a multiple of 2 but not a factor of 8?
Which is odd one out?
26, 39 and 65 are multiples of 13.
Which is odd one out?
12, 24 and 18 are multiples of 6.
What are the multiples of 16 between 40 and 90?
Clearly 48,64 and 80 are multiples of 16 between 40 and 90.
What is seventh multiple of 9?
Seventh multiple of 9 = 7 × 9 = 63
What is eleventh multiple of 6?
What is next number in the sequence?
2, 6, 18, 54, ….
The given sequence is
You are thinking of a number that is multiple of 7 and 12. What is the smallest number that you can think of?
What is the greatest length that is used to measure 8 m, 6 m and 14 m exactly?
Which of the following numbers has the least number of factors?
Factors of 66: 1, 2, 3, 6, 11, 22, 33, 66.
Factors of 106: 1, 2, 53, 106.
Factors of 78 are 1, 2, 3, 6, 13, 26, 39, and 78.
Factors of 110: 1, 2, 5, 10, 11, 22, 55, 110.
Which number below is a factor of 12?
Clearly 6 is a factor of 12
Which number below is not a factor of 8?
3 is not a factor of 8.
The factors are 1,2,4 and 8.
(8/1 = 8, 8/2 = 4, 8/8 =1).
Which number below is a factor of 16?
Which number below is a factor of 21?
Which number below is a factor of 25?
The number 25 is a composite number. Now let us find the prime factors of 25.
25 ÷ 2 = 12.5
Therefore, 2 cannot be a prime factor of 25.
25 ÷ 3 = 8.33
Therefore, 3 cannot be a prime factor of 25.
25 ÷ 5 = 5
5 ÷ 5 = 1
Which number below is not a factor of 20?
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