Java lcm lcm(int a, int b)

Description

Returns the lowest common multiple between a and b.

License

Apache License

Parameter

Parameter	Description
a	an integer value.
b	an integer value.

Return

the lowest common multiple between a and b.

Declaration

public static int lcm(int a, int b) 

Method Source Code

//package com.java2s;
/*/* w ww .  j  a v  a2s. c o m*/
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

public class Main {
    /**
     * Returns the lowest common multiple between a and b.
     *
     * @param a
     *            an integer value.
     * @param b
     *            an integer value.
     * @return the lowest common multiple between a and b.
     */
    public static int lcm(int a, int b) {
        return b * a / gcd(a, b);
    }

    /**
     * Returns the greatest common divisor between a and b.
     *
     * @param a
     *            an integer value.
     * @param b
     *            an integer value.
     * @return the greatest common divisor between a and b.
     */
    public static int gcd(int a, int b) {
        return (b == 0) ? a : gcd(b, a % b);
    }
}

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