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What is the Least Common Multiple of 74459 and 74478?

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 74459 and 74478 is 5545557402.

LCM(74459,74478) = 5545557402

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Least Common Multiple of 74459 and 74478 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74459 and 74478, than apply into the LCM equation.

GCF(74459,74478) = 1
LCM(74459,74478) = ( 74459 × 74478) / 1
LCM(74459,74478) = 5545557402 / 1
LCM(74459,74478) = 5545557402

Least Common Multiple (LCM) of 74459 and 74478 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74459 and 74478. First we will calculate the prime factors of 74459 and 74478.

Prime Factorization of 74459

Prime factors of 74459 are 7, 11, 967. Prime factorization of 74459 in exponential form is:

74459 = 71 × 111 × 9671

Prime Factorization of 74478

Prime factors of 74478 are 2, 3, 12413. Prime factorization of 74478 in exponential form is:

74478 = 21 × 31 × 124131

Now multiplying the highest exponent prime factors to calculate the LCM of 74459 and 74478.

LCM(74459,74478) = 71 × 111 × 9671 × 21 × 31 × 124131
LCM(74459,74478) = 5545557402