Datrys (2^{2}+1)(2^4+1)(2^8+1)(2^16+1)(2^22+1)+1

$$( 2 ^ { 2 } + 1 ) ( 2 ^ { 4 } + 1 ) ( 2 ^ { 8 } + 1 ) ( 2 ^ { 16 } + 1 ) ( 2 ^ { 22 } + 1 ) + 1$$

Enrhifo

$$6004800933418326$$

Camau Ateb

Cyfrifo 2 i bŵer 2 a chael 4.

$$\left(4+1\right)\left(2^{4}+1\right)\left(2^{8}+1\right)\left(2^{16}+1\right)\left(2^{22}+1\right)+1$$

Adio 4 a 1 i gael 5.

$$5\left(2^{4}+1\right)\left(2^{8}+1\right)\left(2^{16}+1\right)\left(2^{22}+1\right)+1$$

Cyfrifo 2 i bŵer 4 a chael 16.

$$5\left(16+1\right)\left(2^{8}+1\right)\left(2^{16}+1\right)\left(2^{22}+1\right)+1$$

Adio 16 a 1 i gael 17.

$$5\times 17\left(2^{8}+1\right)\left(2^{16}+1\right)\left(2^{22}+1\right)+1$$

Lluosi 5 a 17 i gael 85.

$$85\left(2^{8}+1\right)\left(2^{16}+1\right)\left(2^{22}+1\right)+1$$

Cyfrifo 2 i bŵer 8 a chael 256.

$$85\left(256+1\right)\left(2^{16}+1\right)\left(2^{22}+1\right)+1$$

Adio 256 a 1 i gael 257.

$$85\times 257\left(2^{16}+1\right)\left(2^{22}+1\right)+1$$

Lluosi 85 a 257 i gael 21845.

$$21845\left(2^{16}+1\right)\left(2^{22}+1\right)+1$$

Cyfrifo 2 i bŵer 16 a chael 65536.

$$21845\left(65536+1\right)\left(2^{22}+1\right)+1$$

Adio 65536 a 1 i gael 65537.

$$21845\times 65537\left(2^{22}+1\right)+1$$

Lluosi 21845 a 65537 i gael 1431655765.

$$1431655765\left(2^{22}+1\right)+1$$

Cyfrifo 2 i bŵer 22 a chael 4194304.

$$1431655765\left(4194304+1\right)+1$$

Adio 4194304 a 1 i gael 4194305.

$$1431655765\times 4194305+1$$

Lluosi 1431655765 a 4194305 i gael 6004800933418325.

$$6004800933418325+1$$

Adio 6004800933418325 a 1 i gael 6004800933418326.

$$6004800933418326$$

Ffactor

$$2\times 3\times 13\times 683\times 3881\times 29042879$$