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What is the Least Common Multiple of 75691 and 75702?

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 75691 and 75702 is 520905462.

LCM(75691,75702) = 520905462

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Least Common Multiple of 75691 and 75702 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75691 and 75702, than apply into the LCM equation.

GCF(75691,75702) = 11
LCM(75691,75702) = ( 75691 × 75702) / 11
LCM(75691,75702) = 5729960082 / 11
LCM(75691,75702) = 520905462

Least Common Multiple (LCM) of 75691 and 75702 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75691 and 75702. First we will calculate the prime factors of 75691 and 75702.

Prime Factorization of 75691

Prime factors of 75691 are 7, 11, 983. Prime factorization of 75691 in exponential form is:

75691 = 71 × 111 × 9831

Prime Factorization of 75702

Prime factors of 75702 are 2, 3, 11, 31, 37. Prime factorization of 75702 in exponential form is:

75702 = 21 × 31 × 111 × 311 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 75691 and 75702.

LCM(75691,75702) = 71 × 111 × 9831 × 21 × 31 × 311 × 371
LCM(75691,75702) = 520905462