Correct option is C
Prime factorization:
· 506 = 2 × 253 = 2 × 11 × 23
· 782 = 2 × 391 = 2 × 17 × 23
Common factors: 2 and 23
HCF = 2 × 23 = 46
Prime factorization:
· 506 = 2 × 253 = 2 × 11 × 23
· 782 = 2 × 391 = 2 × 17 × 23
Common factors: 2 and 23
HCF = 2 × 23 = 46