19 and 7 are both prime numbers, so that cannot share any factors, the lowest common multiple will therefore be arrived at by multiplying 19 by 7 = 133
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The least common multiple is the least factor that can be common in every number. In algebra , L.C.M of 19, 7 and 4 is 19 *7* 4 =532. 532 is the least common multiple of 19 7 and 4.
The lowest common multiple of 7 and 9 is greater than 40.
The lowest common denominator of 5/42 and 7/30 is 210.
10/7 or 1and3/7 The factors of 70 are: 70, 35, 10,7, 2, 1 The factors of 49 are: 49, 7, 1 The lowest common denominator other than 1 of both is 7, so we divide the top and bottom by 7 to get 10/7 or 1 and 3/7.
The lowest common denominator of any set of whole numbers is 1