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What is the Least Common Multiple of 74090 and 74103?

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 74090 and 74103 is 5490291270.

LCM(74090,74103) = 5490291270

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Least Common Multiple of 74090 and 74103 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74090 and 74103, than apply into the LCM equation.

GCF(74090,74103) = 1
LCM(74090,74103) = ( 74090 × 74103) / 1
LCM(74090,74103) = 5490291270 / 1
LCM(74090,74103) = 5490291270

Least Common Multiple (LCM) of 74090 and 74103 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74090 and 74103. First we will calculate the prime factors of 74090 and 74103.

Prime Factorization of 74090

Prime factors of 74090 are 2, 5, 31, 239. Prime factorization of 74090 in exponential form is:

74090 = 21 × 51 × 311 × 2391

Prime Factorization of 74103

Prime factors of 74103 are 3, 17, 1453. Prime factorization of 74103 in exponential form is:

74103 = 31 × 171 × 14531

Now multiplying the highest exponent prime factors to calculate the LCM of 74090 and 74103.

LCM(74090,74103) = 21 × 51 × 311 × 2391 × 31 × 171 × 14531
LCM(74090,74103) = 5490291270