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What is the Least Common Multiple of 1203 and 1208?

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 1203 and 1208 is 1453224.

LCM(1203,1208) = 1453224

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Least Common Multiple of 1203 and 1208 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1203 and 1208, than apply into the LCM equation.

GCF(1203,1208) = 1
LCM(1203,1208) = ( 1203 × 1208) / 1
LCM(1203,1208) = 1453224 / 1
LCM(1203,1208) = 1453224

Least Common Multiple (LCM) of 1203 and 1208 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1203 and 1208. First we will calculate the prime factors of 1203 and 1208.

Prime Factorization of 1203

Prime factors of 1203 are 3, 401. Prime factorization of 1203 in exponential form is:

1203 = 31 × 4011

Prime Factorization of 1208

Prime factors of 1208 are 2, 151. Prime factorization of 1208 in exponential form is:

1208 = 23 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 1203 and 1208.

LCM(1203,1208) = 31 × 4011 × 23 × 1511
LCM(1203,1208) = 1453224