2^82,589,933 - 1

2^77,232,917 - 1

2^74,207,281 - 1

2^69,725,937 - 1

Every even integer greater than 2 can be expressed as the sum of two primes.

Every odd integer greater than 3 can be expressed as the sum of three primes.

Every integer greater than 5 can be expressed as the sum of four primes.

Every integer greater than 7 can be expressed as the sum of five primes.

The Riemann hypothesis is a conjecture that the Riemann zeta function has its zeros only at negative even integers and complex numbers with real part 1/2.

The Riemann hypothesis is a conjecture that the Riemann zeta function has its zeros only at negative odd integers and complex numbers with real part 1/2.

The Riemann hypothesis is a conjecture that the Riemann zeta function has its zeros only at negative even integers and complex numbers with real part 3/4.

The Riemann hypothesis is a conjecture that the Riemann zeta function has its zeros only at negative odd integers and complex numbers with real part 3/4.

In a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.

In a right triangle, the square of the hypotenuse is equal to the difference of the squares of the other two sides.

In a right triangle, the square of the hypotenuse is equal to the product of the squares of the other two sides.

In a right triangle, the square of the hypotenuse is equal to the quotient of the squares of the other two sides.

The calculus of variations is a branch of mathematics that deals with the optimization of functionals.

The calculus of variations is a branch of mathematics that deals with the optimization of functions.

The calculus of variations is a branch of mathematics that deals with the optimization of equations.

The calculus of variations is a branch of mathematics that deals with the optimization of inequalities.