The numbers which have more than two factors are called.
Even
Prime
Composite
None of these
All numbers with 1,3,5,7 or 9 in the unit place are called ________ numbers.
odd
even
rational
L.C.m of 17 and 5 is:
105
95
85
5
Prime factorization of 143 are:
2 × 11 × 13
11 × 13
2 × 3 × 7
Choose the Co-prime numbers from the following primes.
7 and 63
36 and 25
25 and 21
63 and 81
The least number which when divided by 9, 12, 16, 30 leaves in each case a remainder of 3 is:
720
723
823
750
The product of 10 and 0 is
1
10
0
2
The prime number which comes instantly after 43 is:
49
45
47
Number of prime numbers between 50 to 60 is:
3
4
The LCM two numbers is x and their HCF is Y. The product of two numbers is:
x/y
y/x
x + y
xy
