The least common multiple of 70, 60, and 50 is 2,100 because:
Prime factorization of 70 = 2*5*7.
2= 1 time
5 = 1 time
7 = 1 time
Prime factorization of 60 = 2*2*3*5.
2 = 2 times
3 = 1 time
5 = 1 time
Prime factorization of 50 = 2*5*5.
2 = 1 time
5 = 2 times
Multiply all numbers by the greatest amount it occurs:
2 = 2 times
3 = 1 time
5 = 2 times
7 = 1 time
2*2*3*5*5*7 = 2,100
Hope this helped☺☺