Email us to get an instant 20% discount on highly effective K-12 Math & English kwizNET Programs!

#### Online Quiz (WorksheetABCD)

Questions Per Quiz = 2 4 6 8 10

### Grade 6 - Mathematics1.40 LCM - Prime Factors Method

 Find the L.C.M. of 15, 18, and 20 by using prime factorization method. First, find the prime factors of 15, 18, and 20. 15 = 3 x 5 18 = 2 x 3 x 3 20 = 2 x 2 x 5 Collect the largest number of occurrences of each prime number. The largest number of times the factor 3 occurs is two. The largest number of times the factor 2 occurs is two. The largest number of times the factor 5 occurs is one. Therefore the L.C.M. is = 3 x 3 x 2 x 2 x 5 = 180. Directions: Find the L.C.M. using the prime factorization method Also write at least 10 examples of your own.
 Q 1: Find the L.C.M. of 96, 72.288250280 Q 2: Find the L.C.M. of 205, 110, 305.24570275150275110 Q 3: Find the L.C.M. of 420, 1365, 1470.3822038203800 Q 4: Find the L.C.M. of 60, 225.400425450 Q 5: Find the L.C.M. of 112, 84, 196.235023402352 Q 6: Find the L.C.M. of 16, 18, 36.140144150 Q 7: Find the L.C.M. of 56, 98.392394390 Q 8: Find the L.C.M. of 98, 288, 256.235223602304 Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!