Advertisements
Advertisements
प्रश्न
Using prime factorization method, find which of the following numbers are perfect square?
189,
Advertisements
उत्तर
189 = 3 x 3 x 3 x 7
Grouping them into pairs of equal factors:
189 = (3 x 3) x 3 x 7
The factors 3 and 7 cannot be paired. Hence, 189 is not a perfect square.
APPEARS IN
संबंधित प्रश्न
Which of the following numbers are perfect squares?
2500
By what number should each of the following numbers be multiplied to get a perfect square ? Also, find the number whose square is the new number.
3675
By what number should each of the following numbers be multiplied to get a perfect square ? Also, find the number whose square is the new number.
3468
By what numbers should each of the following be divided to get a perfect square ? Also, find the number whose square is the new number.
16562
By what numbers should each of the following be divided to get a perfect square? Also, find the number whose square is the new number.
3174
Find the smallest number by which 1152 must be divided so that it becomes a perfect square. Also, find the number whose square is the resulting number.
The following number is not perfect square. Give reason.
8948
There is a large square portrait of a leader that covers an area of 4489 cm2. If each side has a 2 cm liner, what would be its area?
The square of 0.7 is ______.
Find the side of a square whose area is equal to the area of a rectangle with sides 6.4 m and 2.5 m.
