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What is the Least Common Multiple of 73 and 82?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 73 and 82 is 5986.

LCM(73,82) = 5986

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Least Common Multiple of 73 and 82 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73 and 82, than apply into the LCM equation.

GCF(73,82) = 1
LCM(73,82) = ( 73 × 82) / 1
LCM(73,82) = 5986 / 1
LCM(73,82) = 5986

Least Common Multiple (LCM) of 73 and 82 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73 and 82. First we will calculate the prime factors of 73 and 82.

Prime Factorization of 73

Prime factors of 73 are 73. Prime factorization of 73 in exponential form is:

73 = 731

Prime Factorization of 82

Prime factors of 82 are 2, 41. Prime factorization of 82 in exponential form is:

82 = 21 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 73 and 82.

LCM(73,82) = 731 × 21 × 411
LCM(73,82) = 5986

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