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What is the Least Common Multiple of 74460 and 74473?

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 74460 and 74473 is 5545259580.

LCM(74460,74473) = 5545259580

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Least Common Multiple of 74460 and 74473 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74460 and 74473, than apply into the LCM equation.

GCF(74460,74473) = 1
LCM(74460,74473) = ( 74460 × 74473) / 1
LCM(74460,74473) = 5545259580 / 1
LCM(74460,74473) = 5545259580

Least Common Multiple (LCM) of 74460 and 74473 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74460 and 74473. First we will calculate the prime factors of 74460 and 74473.

Prime Factorization of 74460

Prime factors of 74460 are 2, 3, 5, 17, 73. Prime factorization of 74460 in exponential form is:

74460 = 22 × 31 × 51 × 171 × 731

Prime Factorization of 74473

Prime factors of 74473 are 7, 10639. Prime factorization of 74473 in exponential form is:

74473 = 71 × 106391

Now multiplying the highest exponent prime factors to calculate the LCM of 74460 and 74473.

LCM(74460,74473) = 22 × 31 × 51 × 171 × 731 × 71 × 106391
LCM(74460,74473) = 5545259580