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What is the Least Common Multiple of 74909 and 74919?

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 74909 and 74919 is 5612107371.

LCM(74909,74919) = 5612107371

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Least Common Multiple of 74909 and 74919 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74909 and 74919, than apply into the LCM equation.

GCF(74909,74919) = 1
LCM(74909,74919) = ( 74909 × 74919) / 1
LCM(74909,74919) = 5612107371 / 1
LCM(74909,74919) = 5612107371

Least Common Multiple (LCM) of 74909 and 74919 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74909 and 74919. First we will calculate the prime factors of 74909 and 74919.

Prime Factorization of 74909

Prime factors of 74909 are 173, 433. Prime factorization of 74909 in exponential form is:

74909 = 1731 × 4331

Prime Factorization of 74919

Prime factors of 74919 are 3, 13, 17, 113. Prime factorization of 74919 in exponential form is:

74919 = 31 × 131 × 171 × 1131

Now multiplying the highest exponent prime factors to calculate the LCM of 74909 and 74919.

LCM(74909,74919) = 1731 × 4331 × 31 × 131 × 171 × 1131
LCM(74909,74919) = 5612107371