Datrys (2^16+1)(2^4+1)(2^2+1)

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

Enrhifo

$$5570645$$

Camau Ateb

Cyfrifo 2 i bŵer 16 a chael 65536.

$$\left(65536+1\right)\left(2^{4}+1\right)\left(2^{2}+1\right)$$

Adio 65536 a 1 i gael 65537.

$$65537\left(2^{4}+1\right)\left(2^{2}+1\right)$$

Cyfrifo 2 i bŵer 4 a chael 16.

$$65537\left(16+1\right)\left(2^{2}+1\right)$$

Adio 16 a 1 i gael 17.

$$65537\times 17\left(2^{2}+1\right)$$

Lluosi 65537 a 17 i gael 1114129.

$$1114129\left(2^{2}+1\right)$$

Cyfrifo 2 i bŵer 2 a chael 4.

$$1114129\left(4+1\right)$$

Adio 4 a 1 i gael 5.

$$1114129\times 5$$

Lluosi 1114129 a 5 i gael 5570645.

$$5570645$$

Ffactor

$$5\times 17\times 65537$$