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What is the Least Common Multiple of 74028 and 74042?

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 74028 and 74042 is 2740590588.

LCM(74028,74042) = 2740590588

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Least Common Multiple of 74028 and 74042 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74028 and 74042, than apply into the LCM equation.

GCF(74028,74042) = 2
LCM(74028,74042) = ( 74028 × 74042) / 2
LCM(74028,74042) = 5481181176 / 2
LCM(74028,74042) = 2740590588

Least Common Multiple (LCM) of 74028 and 74042 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74028 and 74042. First we will calculate the prime factors of 74028 and 74042.

Prime Factorization of 74028

Prime factors of 74028 are 2, 3, 31, 199. Prime factorization of 74028 in exponential form is:

74028 = 22 × 31 × 311 × 1991

Prime Factorization of 74042

Prime factors of 74042 are 2, 37021. Prime factorization of 74042 in exponential form is:

74042 = 21 × 370211

Now multiplying the highest exponent prime factors to calculate the LCM of 74028 and 74042.

LCM(74028,74042) = 22 × 31 × 311 × 1991 × 370211
LCM(74028,74042) = 2740590588