If a and b are positive integers, prove that; ab = gcd(a,b)*lcm...

one positive integer is 3 less than twice another.The sum of their squares is 482.Find the integers?

if x is a positive integer, which of the following cannot be the units digit of 7^x? a) 1 b) 3...

If x and y are positive integers, and square root = y + 3, then y^2 = ?

If b is a positive integer, which of the following equals 3b^4? A) Radical *81b^56 B) Radical 9b...

If x and y are positive integers, and are not both even which of the following must be even? Is i...

Let "n" be a positive integer. How many points (x,y) in the coordinate plane are there such that x...

Let "n" be a positive integer. How many points (x,y) in the coordinate plane are there such that x a...

x is a positive integer such that the sum of its digits times 5 equals itself. What is x?? For e...

For how many positive integer values of n is 3^n a factor of $15 factorial (15!)?

For a certain positive integer $n$, the number $n^{6873}$ leaves a remainder of $3$ when divided by...

Asked by romulo