Fermat's Library

The length of the Christmas tree lights to wrap around the tree perfectly

26.12.2024 16:35 — 👍 32    🔁 3    💬 0    📌 0

Each prime (except 2 and 3) is next to a multiple of 6.

25.11.2024 11:49 — 👍 28    🔁 5    💬 4    📌 1