1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
ANSWER: (1, 60) (2, 30) (3, 20) (4, 15) (5, 12) (6, 10)1 * 60 = 602 * 30 = 603 * 20 = 604 * 15 = 605 * 12 = 606 * 10 = 60
10. (Don't ask why.)
10 I think, 60 was reduced by 1/2, 30 by 1/3, 20 by 1/4, 15 by 1/5, so I'm guessing 12 by 1/6,12 - 12/6 = 10
10 The sequence is given by xn = 60/n
60 to 30 _ -1/2 30 to 20 _ -1/3 20 to 15 _ -1/4 15 to 12 _ -1/5 12 - (12*1/6) = 10
60 has 12 divisors (factors): 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60.
LCM(15, 20, 30) = 60
1 2 3 4 5 6 10 12 15 20 30 60...
4, 6, 10, 12, 15, 20, 30, 60
4, 6, 10, 12, 15, 20, 30, 60
4, 6, 10, 12, 15, 20, 30, 60
1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60 -1, -2, -3, -4, -5, -6, -10, -12, -15, -20, -30, -60
1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
10 explanation: from 60 to 30 you multiply by 1/2 from 30 to 20 you multiply by 2/3 from 20 to 15 you multiply by 3/4 from 15 to 12 you multiply by 4/5 from 12 to 10 you multiply by 5/6
The factors of 60 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60. The factor pairs of 60 are: 1x60 = 60 2x30 = 60 3x20 = 60 4x15 = 60 5x12 = 60 6x10 = 60 The prime factors of 60 are: 2, 2, 3, and 5. 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60.
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