Whats the lcm of 48,45,21,36?

Question

Whats the lcm of 48,45,21,36?

Answer 1

48 = 2^4 * 3

45 = 3^2 * 5

36 = 2^2 * 3^2

21 = 3 * 7

=  2^4 * 3^2 * 5 * 7

= 16 * 9 * 5 * 7

= 144 * 35

= 5.040

Answer 2

48,45,21,36

48=2*3*4*2

45=3*3*5

21=3*7

36=3*3*2*2

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lcm=2*2*3*3*4*7*5=5040

Answer 3

48 = 02:02:02:02:03:00:00:00

45 = 00:00:00:00:03:03:05:00

21 = 00:00:00:00:03:00:00:07

36 = 02:02:00:00:03:03;00:00

LCM:

= 02:02:02:02:03:03:05:07

= 2^4 * 3^2 * 5 * 7

= 16 * 9 * 35

= 5,040

Answer: 5,040 is the LCM