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What is the Least Common Multiple of 74142 and 74152?

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 74152 is 2748888792.

LCM(74142,74152) = 2748888792

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Least Common Multiple of 74142 and 74152 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 74152, than apply into the LCM equation.

GCF(74142,74152) = 2
LCM(74142,74152) = ( 74142 × 74152) / 2
LCM(74142,74152) = 5497777584 / 2
LCM(74142,74152) = 2748888792

Least Common Multiple (LCM) of 74142 and 74152 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74142 and 74152. First we will calculate the prime factors of 74142 and 74152.

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 74152

Prime factors of 74152 are 2, 13, 23, 31. Prime factorization of 74152 in exponential form is:

74152 = 23 × 131 × 231 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 74142 and 74152.

LCM(74142,74152) = 23 × 33 × 13731 × 131 × 231 × 311
LCM(74142,74152) = 2748888792