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What is the Least Common Multiple of 74989 and 75003?

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 74989 and 75003 is 5624399967.

LCM(74989,75003) = 5624399967

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Least Common Multiple of 74989 and 75003 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74989 and 75003, than apply into the LCM equation.

GCF(74989,75003) = 1
LCM(74989,75003) = ( 74989 × 75003) / 1
LCM(74989,75003) = 5624399967 / 1
LCM(74989,75003) = 5624399967

Least Common Multiple (LCM) of 74989 and 75003 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74989 and 75003. First we will calculate the prime factors of 74989 and 75003.

Prime Factorization of 74989

Prime factors of 74989 are 31, 41, 59. Prime factorization of 74989 in exponential form is:

74989 = 311 × 411 × 591

Prime Factorization of 75003

Prime factors of 75003 are 3, 23, 1087. Prime factorization of 75003 in exponential form is:

75003 = 31 × 231 × 10871

Now multiplying the highest exponent prime factors to calculate the LCM of 74989 and 75003.

LCM(74989,75003) = 311 × 411 × 591 × 31 × 231 × 10871
LCM(74989,75003) = 5624399967