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What is the Least Common Multiple of 356 and 374?

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 356 and 374 is 66572.

LCM(356,374) = 66572

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Least Common Multiple of 356 and 374 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 356 and 374, than apply into the LCM equation.

GCF(356,374) = 2
LCM(356,374) = ( 356 × 374) / 2
LCM(356,374) = 133144 / 2
LCM(356,374) = 66572

Least Common Multiple (LCM) of 356 and 374 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 356 and 374. First we will calculate the prime factors of 356 and 374.

Prime Factorization of 356

Prime factors of 356 are 2, 89. Prime factorization of 356 in exponential form is:

356 = 22 × 891

Prime Factorization of 374

Prime factors of 374 are 2, 11, 17. Prime factorization of 374 in exponential form is:

374 = 21 × 111 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 356 and 374.

LCM(356,374) = 22 × 891 × 111 × 171
LCM(356,374) = 66572