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What is the Least Common Multiple of 74091 and 74109?

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 74091 and 74109 is 1830269973.

LCM(74091,74109) = 1830269973

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Least Common Multiple of 74091 and 74109 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74091 and 74109, than apply into the LCM equation.

GCF(74091,74109) = 3
LCM(74091,74109) = ( 74091 × 74109) / 3
LCM(74091,74109) = 5490809919 / 3
LCM(74091,74109) = 1830269973

Least Common Multiple (LCM) of 74091 and 74109 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74091 and 74109. First we will calculate the prime factors of 74091 and 74109.

Prime Factorization of 74091

Prime factors of 74091 are 3, 24697. Prime factorization of 74091 in exponential form is:

74091 = 31 × 246971

Prime Factorization of 74109

Prime factors of 74109 are 3, 7, 3529. Prime factorization of 74109 in exponential form is:

74109 = 31 × 71 × 35291

Now multiplying the highest exponent prime factors to calculate the LCM of 74091 and 74109.

LCM(74091,74109) = 31 × 246971 × 71 × 35291
LCM(74091,74109) = 1830269973