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What is the Least Common Multiple of 74489 and 74494?

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 74489 and 74494 is 5548983566.

LCM(74489,74494) = 5548983566

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Least Common Multiple of 74489 and 74494 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74489 and 74494, than apply into the LCM equation.

GCF(74489,74494) = 1
LCM(74489,74494) = ( 74489 × 74494) / 1
LCM(74489,74494) = 5548983566 / 1
LCM(74489,74494) = 5548983566

Least Common Multiple (LCM) of 74489 and 74494 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74489 and 74494. First we will calculate the prime factors of 74489 and 74494.

Prime Factorization of 74489

Prime factors of 74489 are 74489. Prime factorization of 74489 in exponential form is:

74489 = 744891

Prime Factorization of 74494

Prime factors of 74494 are 2, 7, 17, 313. Prime factorization of 74494 in exponential form is:

74494 = 21 × 71 × 171 × 3131

Now multiplying the highest exponent prime factors to calculate the LCM of 74489 and 74494.

LCM(74489,74494) = 744891 × 21 × 71 × 171 × 3131
LCM(74489,74494) = 5548983566