I believe that it was Leonhard Euler (1707-1783), who as a schoolboy found
a neat way of doing it.
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Answer #2:
I believe that was Johann Carl Friedrich Gauss. The point of that famous story
wasn't the fact that he did it, or the way he did it, but how old he was when
he did it.
2
17*18
42,43
They are called just that: "consecutive numbers".They are called just that: "consecutive numbers".They are called just that: "consecutive numbers".They are called just that: "consecutive numbers".
71,73,79
You can multiply any numbers together.
There are none. However there are two consecutive ODD numbers 299 and 301
2
17*18
42,43
They are called just that: "consecutive numbers".They are called just that: "consecutive numbers".They are called just that: "consecutive numbers".They are called just that: "consecutive numbers".
The "natural numbers" are the ones you use to count . . . 1, 2, 3, 4, etc. Consecutive natural numbers are two or more of them that occur together as you count, with no holes or spaces in the group. 23, 24, and 25 are consecutive natural numbers. 63 and 64 are consecutive, but 63, 64, and 67 are not.
88
99, 100, and 101
71,73,79
Consecutive whole numbers will have an odd sum. Consecutive odd numbers, or consecutive prime numbers, will be 29 and 31.
The numbers 2 and 3 are consecutive prime numbers. Are there other pairs of prime numbers which are consecutive numbers?