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121
60 and 61
The sum of the first 60 positive integers (1 + 2 + 3 + .... + 59 + 60) is equal to 1830.
They are are 62, 63 and 64.
59 + 60 + 61 = 180 ---- To work out consecutive integers, use this formula: (x+1) + (x+2) + (x+3) = 180 ---> 3x + 6 = 180 ---> 3x = 174 ---> 174/3 = x = 58 so (58+1) = 59, (58 + 2) = 60, (58 + 3) = 61