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What is the Least Common Multiple of 39711 and 39731?

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 39711 and 39731 is 1577757741.

LCM(39711,39731) = 1577757741

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Least Common Multiple of 39711 and 39731 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39711 and 39731, than apply into the LCM equation.

GCF(39711,39731) = 1
LCM(39711,39731) = ( 39711 × 39731) / 1
LCM(39711,39731) = 1577757741 / 1
LCM(39711,39731) = 1577757741

Least Common Multiple (LCM) of 39711 and 39731 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39711 and 39731. First we will calculate the prime factors of 39711 and 39731.

Prime Factorization of 39711

Prime factors of 39711 are 3, 7, 31, 61. Prime factorization of 39711 in exponential form is:

39711 = 31 × 71 × 311 × 611

Prime Factorization of 39731

Prime factors of 39731 are 67, 593. Prime factorization of 39731 in exponential form is:

39731 = 671 × 5931

Now multiplying the highest exponent prime factors to calculate the LCM of 39711 and 39731.

LCM(39711,39731) = 31 × 71 × 311 × 611 × 671 × 5931
LCM(39711,39731) = 1577757741