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What is the Least Common Multiple of 72955 and 72974?

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 72955 and 72974 is 5323818170.

LCM(72955,72974) = 5323818170

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Least Common Multiple of 72955 and 72974 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72955 and 72974, than apply into the LCM equation.

GCF(72955,72974) = 1
LCM(72955,72974) = ( 72955 × 72974) / 1
LCM(72955,72974) = 5323818170 / 1
LCM(72955,72974) = 5323818170

Least Common Multiple (LCM) of 72955 and 72974 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72955 and 72974. First we will calculate the prime factors of 72955 and 72974.

Prime Factorization of 72955

Prime factors of 72955 are 5, 14591. Prime factorization of 72955 in exponential form is:

72955 = 51 × 145911

Prime Factorization of 72974

Prime factors of 72974 are 2, 11, 31, 107. Prime factorization of 72974 in exponential form is:

72974 = 21 × 111 × 311 × 1071

Now multiplying the highest exponent prime factors to calculate the LCM of 72955 and 72974.

LCM(72955,72974) = 51 × 145911 × 21 × 111 × 311 × 1071
LCM(72955,72974) = 5323818170