The least common multiple (LCM) is often also called the lowest common multiple or smallest common multiple. Keep in mind that these different terms all refer to the same thing: the smallest positive integer which is a multiple of two or more numbers.
The least common multiple of 105 and 160 is 3360.
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The GCF of 105, 147, and 189 is 21.
105 = 3*5*7
147 = 3*7*7
189 = 3*3*3*7
so highest common factor = 7
The least common multiple of 7, 11 and 14 is 154.
454
The LCM of 13, 14, and 15 is 2730.2730
The greatest common factor of 110 and 154 is 22.
Prime factor each number.Use each prime found the MOST it was found in either number.1542x7x111982x3x3x112x3x3x7x11=1386