Math

GCD & LCM Calculator

Find the greatest common divisor and least common multiple of two integers.

First Number

Second Number

GCD

LCM

CEO Thinking

You just sharpened Proportional Thinking — the quiet superpower behind every CEO decision.

More Math calculators

Percentages made easy

Increase or decrease

Resize keeping ratio

Area of a space

Mean, median, range

Population & sample SD

Solve ax² + bx + c = 0

Area, circumference & diameter

Raise a number to a power