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Math facts.
May 30, 2026
The sum of every number from 1 to 100 is exactly 5,050.
Gauss figured this out as a child by pairing numbers: 1+100, 2+99, 3+98… That's 50 pairs, each adding to 101. So 50 × 101 = 5,050. He finished before his classmates had written the first line.