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What is the Least Common Multiple of 78023 and 78043?

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 78043 is 6089148989.

LCM(78023,78043) = 6089148989

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Least Common Multiple of 78023 and 78043 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 78043, than apply into the LCM equation.

GCF(78023,78043) = 1
LCM(78023,78043) = ( 78023 × 78043) / 1
LCM(78023,78043) = 6089148989 / 1
LCM(78023,78043) = 6089148989

Least Common Multiple (LCM) of 78023 and 78043 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78023 and 78043. First we will calculate the prime factors of 78023 and 78043.

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 78043

Prime factors of 78043 are 7, 11149. Prime factorization of 78043 in exponential form is:

78043 = 71 × 111491

Now multiplying the highest exponent prime factors to calculate the LCM of 78023 and 78043.

LCM(78023,78043) = 111 × 411 × 1731 × 71 × 111491
LCM(78023,78043) = 6089148989