Download App

Playing With Numbers — MATHS STD 6 — Question

Gujarat BoardEnglish MediumSTD 6MATHSPlaying With Numbers1 Mark
MCQ
Which one of the following is a prime number$?$
  • A
    $261$
  • B
    $221$
  • ✓
    $373$
  • D
    $437$
✓

Answer

Correct option: C.
$373$
$\sqrt{437}.2$
All prime numbers less than $2222$ are: $2, 3, 5, 7, 11, 13, 17, 19.$
$161$ is divisible by $7,$ and $221$ is divisible by $13.$
$373$ is not divisible by any of the above prime numbers.
$\therefore 373373$ is prime.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q. [1 Marks Each]" from Playing With Numbers→Playing With Numbers — all question types→MATHS STD 6 question papers→Gujarat Board STD 6 question papers→Gujarat Board question paper generator→

Similar questions

If a coin is flipped in the air, what is the probability of getting a tail?
→
The highest common factor of the expressions $x^2 + x - (K + 7)$ and $2x^2 + Kx - 12$ is
$x + 4,$ the value of $K$ will be
→
Mark the correct alternative of the following:
$\frac{1}{3}+\text{x}=3,$ then $x =$
→
The only prime number which is also even is:
→
The choices of the fruits of 42 students in a class are as follows.
A, 0, B, M, A, G, B, G, A, G, B, M, A, G, M, A, B, G, M, B, A,
0, M, 0, G, B, 0, M, G, A. A, B. M, 0, M, G, B, A, M, 0, M, 0
Where A, B, G, M and 0 stand for the fruits Apple, Banana, Grapes, Mango and Orange, respectively. Which two fruits are liked by an equal number of Students ?
→
The fraction which is not equal to $\frac45$ is:
→
A pentagon has three sides with length x, and two sides with the length $3x$. If $x$ is $\frac{2}{3}$of an inch, what is the perimeter of the pentagon?
→
$10 + ? = 0$
→
$LCM$ of the numbers $36$ and $72$ is:
→
Number of integers lying between $-1$ and $1$ is:
→