Prime Factorization
Find the prime factorization of 180
22 x 32 x 5
What is the GCF of 8 and 12?
4
Find the LCM of 12 and 15.
60
A rectangular piece of metal sheet that measures 780 cm by 420 cm is cut into identical small square pieces.
Find the greatest possible length of a side of each square.
60 cm is the length of each square
Rewrite this number in standard form
22 x 112
484
What is the GCF of 231 and 396?
33
Find the LCM of 60 and 75
300
The thickness of a Science book is 20 mm and that of a Mathematics book is 28 mm. Books of each type are stacked up in two separate piles.
What will be the minimum height of each pile such that both piles are of the same height?
140 mm is the minimum height of each pile
Find the prime factorization of 27720.
23 x 32 x 5 x 7 x 11
What is the GCF of 28, 63, and 91?
7
Find the LCM of 13, 14, and 15
2730
A rectangular piece of metal sheet that measures 780 cm by 420 cm is cut into identical small square pieces.
Find the number of square pieces that can be obtained.
There are 91 square pieces of metal.
What is the smallest 2-digit number that is a factor of
27720 = 23 x 32 x 5 x 7 x 11
10 because 2x5
What is the GCF of 140, 210, and 350?
70
Find the LCM of 63, 117, and 273. Express your answer in exponential notation (no need to find the answer in standard form)
819
The thickness of a Science book is 20 mm and a Mathematics book is 28 mm. Books of each type are stacked up in two separate piles.
Find the number of books in each pile for them to have the same height.
There are 7 Science books and 5 Mathematic books.