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What is the Least Common Multiple of 74434 and 74440?

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 74434 and 74440 is 2770433480.

LCM(74434,74440) = 2770433480

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Least Common Multiple of 74434 and 74440 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74434 and 74440, than apply into the LCM equation.

GCF(74434,74440) = 2
LCM(74434,74440) = ( 74434 × 74440) / 2
LCM(74434,74440) = 5540866960 / 2
LCM(74434,74440) = 2770433480

Least Common Multiple (LCM) of 74434 and 74440 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74434 and 74440. First we will calculate the prime factors of 74434 and 74440.

Prime Factorization of 74434

Prime factors of 74434 are 2, 37217. Prime factorization of 74434 in exponential form is:

74434 = 21 × 372171

Prime Factorization of 74440

Prime factors of 74440 are 2, 5, 1861. Prime factorization of 74440 in exponential form is:

74440 = 23 × 51 × 18611

Now multiplying the highest exponent prime factors to calculate the LCM of 74434 and 74440.

LCM(74434,74440) = 23 × 372171 × 51 × 18611
LCM(74434,74440) = 2770433480