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What is the Least Common Multiple of 69742 and 69755?

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 69742 and 69755 is 4864853210.

LCM(69742,69755) = 4864853210

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Least Common Multiple of 69742 and 69755 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69742 and 69755, than apply into the LCM equation.

GCF(69742,69755) = 1
LCM(69742,69755) = ( 69742 × 69755) / 1
LCM(69742,69755) = 4864853210 / 1
LCM(69742,69755) = 4864853210

Least Common Multiple (LCM) of 69742 and 69755 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69742 and 69755. First we will calculate the prime factors of 69742 and 69755.

Prime Factorization of 69742

Prime factors of 69742 are 2, 34871. Prime factorization of 69742 in exponential form is:

69742 = 21 × 348711

Prime Factorization of 69755

Prime factors of 69755 are 5, 7, 1993. Prime factorization of 69755 in exponential form is:

69755 = 51 × 71 × 19931

Now multiplying the highest exponent prime factors to calculate the LCM of 69742 and 69755.

LCM(69742,69755) = 21 × 348711 × 51 × 71 × 19931
LCM(69742,69755) = 4864853210