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What is the Least Common Multiple of 69538 and 69546?

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 69538 and 69546 is 2418044874.

LCM(69538,69546) = 2418044874

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Least Common Multiple of 69538 and 69546 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69538 and 69546, than apply into the LCM equation.

GCF(69538,69546) = 2
LCM(69538,69546) = ( 69538 × 69546) / 2
LCM(69538,69546) = 4836089748 / 2
LCM(69538,69546) = 2418044874

Least Common Multiple (LCM) of 69538 and 69546 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69538 and 69546. First we will calculate the prime factors of 69538 and 69546.

Prime Factorization of 69538

Prime factors of 69538 are 2, 7, 4967. Prime factorization of 69538 in exponential form is:

69538 = 21 × 71 × 49671

Prime Factorization of 69546

Prime factors of 69546 are 2, 3, 67, 173. Prime factorization of 69546 in exponential form is:

69546 = 21 × 31 × 671 × 1731

Now multiplying the highest exponent prime factors to calculate the LCM of 69538 and 69546.

LCM(69538,69546) = 21 × 71 × 49671 × 31 × 671 × 1731
LCM(69538,69546) = 2418044874