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What is the Least Common Multiple of 70038 and 70045?

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 70038 and 70045 is 4905811710.

LCM(70038,70045) = 4905811710

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Least Common Multiple of 70038 and 70045 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70038 and 70045, than apply into the LCM equation.

GCF(70038,70045) = 1
LCM(70038,70045) = ( 70038 × 70045) / 1
LCM(70038,70045) = 4905811710 / 1
LCM(70038,70045) = 4905811710

Least Common Multiple (LCM) of 70038 and 70045 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70038 and 70045. First we will calculate the prime factors of 70038 and 70045.

Prime Factorization of 70038

Prime factors of 70038 are 2, 3, 1297. Prime factorization of 70038 in exponential form is:

70038 = 21 × 33 × 12971

Prime Factorization of 70045

Prime factors of 70045 are 5, 14009. Prime factorization of 70045 in exponential form is:

70045 = 51 × 140091

Now multiplying the highest exponent prime factors to calculate the LCM of 70038 and 70045.

LCM(70038,70045) = 21 × 33 × 12971 × 51 × 140091
LCM(70038,70045) = 4905811710