Factors And Multiples
Write down the first four multiples of 37
37,74,111,148
Find the prime factorization of 20
Prime factorization of 20 = 2 × 2 × 5
Find the GCF of 12 and 15.
3
Find the LCM of the 24 and 54
216
Find the square root of 121 by the prime factorization method
11
Find all the factors common to 56 and 84
1,2,4,7,14,28
Is 0 a composite number?
False
What is the highest common factor of 96 and 404?
4
Find the LCM of 22, 132, and 253
3036
Find the cubic root of 512 by the prime factorization method
8
If two numbers are multiples of 11, then their sum is a multiple of 11?
True
Is 817 a prime number or a composite number?
Composite number!
Find the GCF of 14, 36 and 42
2
Player 1 and Player 2 are running around a circular field. Player 1 takes 16 minutes to take one round, while Player 2 completes the round in 20 minutes. If both start simultaneously and go in the same direction, after how much time will they meet at the starting point?
LCM(16, 20) = 24 × 4 = 80
The area of a square tin plate is 7056 square inches. Find the length of a side of the plate
84in
If a number is a multiple of 3 and another number is a multiple of 4, then their sum is a multiple of 7?
False
List the common prime factors of 256 and 156.
The common prime factor of 256 and 156 is 2.
What will be the greatest possible length that can be used to measure exactly the lengths 7 m, 3 m 85 cm, and 12 m 95 cm?
GCF(700, 385, 1295) = 5 x 7 = 35cm
Two alarm clocks ring their alarms at regular intervals of 72 seconds and 50 seconds. If they beep together at noon(12:00 PM), at what time will they beep again for the first time?
LCM of 72 and 50 = 23 × 32 × 52 = 1800
1800 seconds = 1800/60 min = 30 min
Hence, the clocks will beep again for the first time at 12:30 pm.
The volume of a piece of glass cube is 1728 mm3
Find the length of a side of the cube.
12 mm
Find the smallest multiple of 19 which is greater than 500
513
Find the prime factorization of 23356
25× 32 × 5 × 13
Find the GCF of fractions 2/3, 16/81, and 8/9
GCF of fractions = GCF of numerators/LCM of denominators
Find the least number, which, when divided by 35, 56, and 91, leaves the same remainder of 7, respectively.
LCM(35, 56, 91) + 7 = 3640 + 7 = 3647.
Find the cube root of 21952 by the prime factorization method.
∛21952 = ∛(2 × 2 × 2 × 2 × 2 × 2 × 7 × 7 × 7) = 2 × 2 × 7 = 28