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What is the Least Common Multiple of 74142 and 74148?

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 74142 and 74148 is 916246836.

LCM(74142,74148) = 916246836

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Least Common Multiple of 74142 and 74148 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74142 and 74148, than apply into the LCM equation.

GCF(74142,74148) = 6
LCM(74142,74148) = ( 74142 × 74148) / 6
LCM(74142,74148) = 5497481016 / 6
LCM(74142,74148) = 916246836

Least Common Multiple (LCM) of 74142 and 74148 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74142 and 74148. First we will calculate the prime factors of 74142 and 74148.

Prime Factorization of 74142

Prime factors of 74142 are 2, 3, 1373. Prime factorization of 74142 in exponential form is:

74142 = 21 × 33 × 13731

Prime Factorization of 74148

Prime factors of 74148 are 2, 3, 37, 167. Prime factorization of 74148 in exponential form is:

74148 = 22 × 31 × 371 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 74142 and 74148.

LCM(74142,74148) = 22 × 33 × 13731 × 371 × 1671
LCM(74142,74148) = 916246836