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# Number Theory

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Find \$14^{-1}\$ (mod \$35\$), as a residue modulo 35. (Give an answer between 0 and 34, inclusive.)

Jul 11, 2021

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Find \(14^{-1} \pmod{35}\), as a residue modulo 35.

(Give an answer between 0 and 34, inclusive.)

Because \(\gcd(14,35) = 7 \ne 1\), so

14 is not invertible modulo 35

Jul 12, 2021