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What is the Least Common Multiple of 78023 and 78042?

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 78023 and 78042 is 6089070966.

LCM(78023,78042) = 6089070966

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Least Common Multiple of 78023 and 78042 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78023 and 78042, than apply into the LCM equation.

GCF(78023,78042) = 1
LCM(78023,78042) = ( 78023 × 78042) / 1
LCM(78023,78042) = 6089070966 / 1
LCM(78023,78042) = 6089070966

Least Common Multiple (LCM) of 78023 and 78042 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78023 and 78042. First we will calculate the prime factors of 78023 and 78042.

Prime Factorization of 78023

Prime factors of 78023 are 11, 41, 173. Prime factorization of 78023 in exponential form is:

78023 = 111 × 411 × 1731

Prime Factorization of 78042

Prime factors of 78042 are 2, 3, 13007. Prime factorization of 78042 in exponential form is:

78042 = 21 × 31 × 130071

Now multiplying the highest exponent prime factors to calculate the LCM of 78023 and 78042.

LCM(78023,78042) = 111 × 411 × 1731 × 21 × 31 × 130071
LCM(78023,78042) = 6089070966