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What is the Least Common Multiple of 1208 and 1226?

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 1208 and 1226 is 740504.

LCM(1208,1226) = 740504

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Least Common Multiple of 1208 and 1226 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1208 and 1226, than apply into the LCM equation.

GCF(1208,1226) = 2
LCM(1208,1226) = ( 1208 × 1226) / 2
LCM(1208,1226) = 1481008 / 2
LCM(1208,1226) = 740504

Least Common Multiple (LCM) of 1208 and 1226 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1208 and 1226. First we will calculate the prime factors of 1208 and 1226.

Prime Factorization of 1208

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

1208 = 23 × 1511

Prime Factorization of 1226

Prime factors of 1226 are 2, 613. Prime factorization of 1226 in exponential form is:

1226 = 21 × 6131

Now multiplying the highest exponent prime factors to calculate the LCM of 1208 and 1226.

LCM(1208,1226) = 23 × 1511 × 6131
LCM(1208,1226) = 740504