1)
585=3*3*5*13= 3² * 5¹ * 13¹
360=2*2*2*3*3*5= 2³ * 3² * 5¹
3³ * 5 = 9*5 = 45
2)
680=2*2*2*5*17 = 2³ * 5¹ * 17¹
612=2*2*3*3*17 = 2² * 3² * 17¹
2² * 17 = 4*17 = 68
3)
60=2*2*3*5 = 2² * 3¹ * 5¹
80=2*2*2*2*5 = 2⁴ * 5¹
48=2*2*2*2*3 = 2⁴ * 3¹
2² = 4
4)
195=3*5*13 = 3¹ * 5¹ * 13¹
156=2*2*3*13 = 2² * 3¹ * 13¹
260=2*2*5*13 = 2² * 5¹ * 13¹
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Verified answer
1)
585=3*3*5*13= 3² * 5¹ * 13¹
360=2*2*2*3*3*5= 2³ * 3² * 5¹
3³ * 5 = 9*5 = 45
2)
680=2*2*2*5*17 = 2³ * 5¹ * 17¹
612=2*2*3*3*17 = 2² * 3² * 17¹
2² * 17 = 4*17 = 68
3)
60=2*2*3*5 = 2² * 3¹ * 5¹
80=2*2*2*2*5 = 2⁴ * 5¹
48=2*2*2*2*3 = 2⁴ * 3¹
2² = 4
4)
195=3*5*13 = 3¹ * 5¹ * 13¹
156=2*2*3*13 = 2² * 3¹ * 13¹
260=2*2*5*13 = 2² * 5¹ * 13¹
13