3 x 2- 5 = 1
3x 2 =6
6 - 5 = 1 so one is the answer
2 x 2 x 2 x 3 x 5 x 5 600 = 15 x 40 = 3 x 5 x 5 x 8 = 3 x 5 x 5 x 2 x 4 = 3 x 5 x 5 x 2 x 2 x 2
A question of prime factors... The answer is 2 x 2 x 3 x 5 x 7 = 420 2 x 2 x 3 x 5 x 7 gives us a factor of 2... 2 x 2 x 3 x 5 x 7 and of 3... 2 x 2 x 3 x 5 x 7 and of 4... 2 x 2 x 3 x 5 x 7 and of 5... 2 x 2 x 3 x 5 x 7 and of 6... 2 x 2 x 3 x 5 x 7 and of 7.
The prime factors of 720 are: 2, 3 and 5
1800
2 x 2 x 2 x 3 x 3 x 5 x 5 x 5
2 x 5 x 5 x 5 = 250 2 x 2 x 3 x 3 x 3 x 3 = 324 2 x 2 x 2 x 3 x 3 = 72 2 x 2 x 3 x 13 = 156 3 x 37 = 111 2 x 2 x 2 x 2 x 2 x 2 x 2 = 128 5 x 5 x 5 x 5 = 625 2 x 5 x 5 x 11 = 550 3 x 3 x 3 x 3 x 5 = 405 3 x 3 x 3 x 3 x 3 = 243 2 x 2 x 5 x 5 x 5 = 500 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 = 512
The prime factors of 120 are 2 x 2 x 2 x 3 x 5 or 2^3 x 3 x 52 x 2 x 2 x 3 x 52 x 2 x 2 x 3 x 5 = 1202 x 2 x 2 x 3 x 5 = 120
3,000 = 2 x 2 x 2 x 3 x 5 x 5 x 5 OR 2^3 x 3 x 5^3
Factor them. 3 x 3 = 9 5 x 5 = 25 2 x 2 x 2 x 3 x 5 = 120 Combine the highest amount of each prime factor. 2 x 2 x 2 x 3 x 3 x 5 x 5 = 1800, the LCM
For 45: 3 x 3 x 5For 54: 2 x 3 x 3 x 3
2 x 2 x 3 x 5 x 5 3 x 4 x 5 x 5 2 x 5 x 5 x 6 2 x 2 x 3 x 25 2 x 2 x 5 x 15 2 x 3 x 5 x 10 2 x 2 x 75 5 x 6 x 10 3 x 5 x 20 5 x 5 x 12 2 x 3 x 50 2 x 5 x 30 3 x 4 x 25
2 x 2 x 3 x 5 x 5 3 x 4 x 5 x 5 2 x 5 x 5 x 6 2 x 2 x 3 x 25 2 x 2 x 5 x 15 2 x 3 x 5 x 10 2 x 2 x 75 5 x 6 x 10 3 x 5 x 20 5 x 5 x 12 2 x 3 x 50 2 x 5 x 30 3 x 4 x 25
3 x 5 = 15 2 x 2 x 2 x 2 x 2 = 32 2 x 2 x 2 x 2 x 2 x 3 x 5 = 480, the LCM
2 x 2 x 2 = 8 2 x 3 x 5 = 30 3 x 3 x 5 = 45 2 x 2 x 2 x 3 x 3 x 5 = 360, the LCM
2 x 2 x 2 x 45 2 x 2 x 3 x 30 2 x 2 x 5 x 18 2 x 3 x 3 x 20 2 x 3 x 5 x 12 3 x 3 x 5 x 8 2 x 2 x 2 x 3 x 15 2 x 2 x 3 x 3 x 10 2 x 2 x 3 x 5 x 6 2 x 3 x 3 x 4 x 5 2 x 2 x 2 x 5 x 9 2 x 2 x 2 x 3 x 3 x 5
2 x 2 x 2 x 3 x 5 x 5 600 = 15 x 40 = 3 x 5 x 5 x 8 = 3 x 5 x 5 x 2 x 4 = 3 x 5 x 5 x 2 x 2 x 2
A question of prime factors... The answer is 2 x 2 x 3 x 5 x 7 = 420 2 x 2 x 3 x 5 x 7 gives us a factor of 2... 2 x 2 x 3 x 5 x 7 and of 3... 2 x 2 x 3 x 5 x 7 and of 4... 2 x 2 x 3 x 5 x 7 and of 5... 2 x 2 x 3 x 5 x 7 and of 6... 2 x 2 x 3 x 5 x 7 and of 7.