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What is the Least Common Multiple of 74605 and 74613?

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 74605 and 74613 is 5566502865.

LCM(74605,74613) = 5566502865

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Least Common Multiple of 74605 and 74613 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74605 and 74613, than apply into the LCM equation.

GCF(74605,74613) = 1
LCM(74605,74613) = ( 74605 × 74613) / 1
LCM(74605,74613) = 5566502865 / 1
LCM(74605,74613) = 5566502865

Least Common Multiple (LCM) of 74605 and 74613 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74605 and 74613. First we will calculate the prime factors of 74605 and 74613.

Prime Factorization of 74605

Prime factors of 74605 are 5, 43, 347. Prime factorization of 74605 in exponential form is:

74605 = 51 × 431 × 3471

Prime Factorization of 74613

Prime factors of 74613 are 3, 7, 11, 17, 19. Prime factorization of 74613 in exponential form is:

74613 = 31 × 71 × 111 × 171 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 74605 and 74613.

LCM(74605,74613) = 51 × 431 × 3471 × 31 × 71 × 111 × 171 × 191
LCM(74605,74613) = 5566502865