2 x 2 x 7 = 28
2 x 2 x 2 x 5 = 40
2 x 2 x 2 x 2 x 3 x 3 = 144
2 x 2 x 2 x 2 x 3 x 3 x 5 x 7 = 5040, the LCM
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Since 58 is a multiple of 28, it is automatically the LCM, but if you insist...
2 x 2 x 7 = 28
2 x 2 x 2 x 7 = 56
2 x 2 x 2 x 7 = 56, the LCM
The Least Common Multiple (LCM) for 42 56 is 168.
The Least Common Multiple (LCM) for 70 136 is 4,760.
Prime factors of 56 are 23 x 7Prime factors of 78 are 2 x 3 x 13The LCM is the product of all the primes to their greatest power,so the LCM of 56 and 78 is 23 x 3 x 7 x 13 = 8 x 273 = 2,184
For the values 56 and 32 the LCM is: 224
The LCM is 392.