4 × 11 + 4 × 210 + 4 × 512 + 4 × 176 = 3 636
= 44 + 840 + 2 048 + 704 =
= 3 636 → primul mod
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→ dau factor comun pe 4
= 4 × ( 11 + 210 + 512 + 176 ) = 4 × 909 = 3 636 → al doilea mod
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7 × 140 + 7 × 275 + 7 × 308 + 7 × 56 = 5 453
= 980 + 1 925 + 2 156 + 392 =
= 5 453 → primul mod
→ dau factor comun pe 7
= 7 × ( 140 + 275 + 308 + 56 ) =
= 7 × 779 =
= 5 453 → al doilea mod
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3 × 800 - 3 × 700 = 2 400 - 2 100 = 300 → primul mod
= 3 × ( 800 - 700 ) = 3 × 100 = 300 → al doilea mod
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8 × 60 - 8 × 0 = 480 - 0 = 480 → primul mod
= 8 × ( 60 - 0 ) = 8 × 60 = 480 → al doilea mod
