LCM of 13 and 21 is 273
The least common multiple or LCM of two numbers 13 and 21 is defined as the smallest positive integer which is divisible by both of them. It is represented by LCM(13, 21).
Hence, LCM of 13 and 21 is 273.
| 3 | 13 21 |
| 7 | 13 7 |
| 13 | 13 1 |
| 1 1 |
Hence, LCM of 13 and 21 is 3 x 7 x 13 = 273.
Hence, LCM of 13 and 21 is 273.
To find the least number of days that would be taken to be able to spend the same amount of dollars we need to find the LCM of 13 and 21.So, LCM of 13 and 21 is 273.
To find the least height in feet at which the two piles will be at same height we will find LCM of 13 and 21.So, LCM of 13 and 21 is 273.
To find the least number of textbooks that each company could have printed we need to find the LCM of 13 and 21.So, LCM of 13 and 21 is 273.
Ram and Deepika are running on a circular track. They take 13 and 21 minutes respectively to go round once. We need to find out at what time (minimum) they will run together again. For this we need to find the LCM of 13 and 21.So, LCM of 13 and 21 is 273.
Greatest common factor or gcf of 13 and 21 is GCF(13, 21) x LCM(13, 21) = (13 x 21) / GCF(13, 21) = 273.
Least common multiple of 13 and 21 is 273.
Least number which is exactly divisible by 13 and 21 is 273.