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What is the Least Common Multiple of 74456 and 74476?

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 74456 and 74476 is 1386296264.

LCM(74456,74476) = 1386296264

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Least Common Multiple of 74456 and 74476 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74456 and 74476, than apply into the LCM equation.

GCF(74456,74476) = 4
LCM(74456,74476) = ( 74456 × 74476) / 4
LCM(74456,74476) = 5545185056 / 4
LCM(74456,74476) = 1386296264

Least Common Multiple (LCM) of 74456 and 74476 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74456 and 74476. First we will calculate the prime factors of 74456 and 74476.

Prime Factorization of 74456

Prime factors of 74456 are 2, 41, 227. Prime factorization of 74456 in exponential form is:

74456 = 23 × 411 × 2271

Prime Factorization of 74476

Prime factors of 74476 are 2, 43, 433. Prime factorization of 74476 in exponential form is:

74476 = 22 × 431 × 4331

Now multiplying the highest exponent prime factors to calculate the LCM of 74456 and 74476.

LCM(74456,74476) = 23 × 411 × 2271 × 431 × 4331
LCM(74456,74476) = 1386296264