What is the smallest positive integer k such that 80k is a perfect square?

What is the GCF of 16 and 10?

How many students got all three prizes if 316 attended?

What is the GCF of 2³×3⁴×5² and 2⁸×3⁴×5⁶?

What is the possible pair of integers if LCM is 135 and GCF is 9?

Which number can be expressed as a product of primes?

What is the GCF of 16 and 10?

Which of the following pairs has a GCF of 9?

What is the prime factorization of 2880?

If the product of the ages of a group of teenagers is 2,054,707,200, how many teenagers are there?

What is the least possible value of the number that leaves a remainder of 3 when divided by 6, 14, or 21?

What are the prime factors of 2020?

What is the LCM of 60, 90, and 75?

Which of the following numbers is prime?

What is the smallest number of students in a school that can be separated into groups of 5, 6, or 15 without a remainder?

Which of the following sets has a common factor greater than 1?

If the school has less than 2000 students, what is the largest possible number of students that can be grouped by 5, 6, or 15?

Determine the smallest positive integer k such that 2160k has both a square root and a cube root that are integers.

Which of the following numbers is prime?

What is the value of n for n! = 2²⁵×3¹³×5⁶×7⁴×11²×13²×17×19×23?