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What is the Least Common Multiple of 73 and 79?

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 79 is 5767.

LCM(73,79) = 5767

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Least Common Multiple of 73 and 79 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 79, than apply into the LCM equation.

GCF(73,79) = 1
LCM(73,79) = ( 73 × 79) / 1
LCM(73,79) = 5767 / 1
LCM(73,79) = 5767

Least Common Multiple (LCM) of 73 and 79 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73 and 79. First we will calculate the prime factors of 73 and 79.

Prime Factorization of 73

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

73 = 731

Prime Factorization of 79

Prime factors of 79 are 79. Prime factorization of 79 in exponential form is:

79 = 791

Now multiplying the highest exponent prime factors to calculate the LCM of 73 and 79.

LCM(73,79) = 731 × 791
LCM(73,79) = 5767

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