Block #3,579,761
TWN0a.ea4b56Discovered 3/1/2020, 5:51:29 AM · Difficulty 10.9105 · 3,262,130 confirmations
Height
#3,579,761
Difficulty
10.910455
Transactions
5
Size
8.36 KB
Version
2
Bits
0ae9139b
Nonce
17,347,793
Timestamp
3/1/2020, 5:51:29 AM
Confirmations
3,262,130
Mined by
Merkle Root
This is the prime chain origin stored in the block header. It is a composite number (not prime itself) — it equals the first prime in the chain multiplied by a primorial. The origin anchors the entire chain to this specific block.
Primecoin stores a value called the prime chain origin in each block. The miner found a large integer such that when divided by a primorial (the product of small primes: 2 × 3 × 5 × 7 × …), the result is the first prime in the chain. The origin is deliberately divisible by this primorial — that divisibility is part of the proof.
This is why the origin has many small prime factors — those factors are the primorial divisor. The chain then extends from the first prime using the TWN0a.ea4b56 formula: