Răspuns: 75 -> impartitorul
Explicație pas cu pas:
994 - 19 = 975
542 - 17 = 525
838 - 13 = 825
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975 = 5² × 3 × 13
525 = 5² × 3 × 7
825 = 5² × 3 × 11
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c.m.m.d.c al numerelor 975, 525 si 825 = 5² × 3 = 75
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Verific:
994 : 75 = 13 rest 19
542 : 75 = 7 rest 17
838 : 75 = 11 rest 13