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What is the Least Common Multiple of 74734 and 74752?

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 74734 and 74752 is 2793257984.

LCM(74734,74752) = 2793257984

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Least Common Multiple of 74734 and 74752 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74734 and 74752, than apply into the LCM equation.

GCF(74734,74752) = 2
LCM(74734,74752) = ( 74734 × 74752) / 2
LCM(74734,74752) = 5586515968 / 2
LCM(74734,74752) = 2793257984

Least Common Multiple (LCM) of 74734 and 74752 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74734 and 74752. First we will calculate the prime factors of 74734 and 74752.

Prime Factorization of 74734

Prime factors of 74734 are 2, 11, 43, 79. Prime factorization of 74734 in exponential form is:

74734 = 21 × 111 × 431 × 791

Prime Factorization of 74752

Prime factors of 74752 are 2, 73. Prime factorization of 74752 in exponential form is:

74752 = 210 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 74734 and 74752.

LCM(74734,74752) = 210 × 111 × 431 × 791 × 731
LCM(74734,74752) = 2793257984