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What is the Least Common Multiple of 69945 and 69951?

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 69945 and 69951 is 1630907565.

LCM(69945,69951) = 1630907565

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Least Common Multiple of 69945 and 69951 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69945 and 69951, than apply into the LCM equation.

GCF(69945,69951) = 3
LCM(69945,69951) = ( 69945 × 69951) / 3
LCM(69945,69951) = 4892722695 / 3
LCM(69945,69951) = 1630907565

Least Common Multiple (LCM) of 69945 and 69951 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69945 and 69951. First we will calculate the prime factors of 69945 and 69951.

Prime Factorization of 69945

Prime factors of 69945 are 3, 5, 4663. Prime factorization of 69945 in exponential form is:

69945 = 31 × 51 × 46631

Prime Factorization of 69951

Prime factors of 69951 are 3, 7, 3331. Prime factorization of 69951 in exponential form is:

69951 = 31 × 71 × 33311

Now multiplying the highest exponent prime factors to calculate the LCM of 69945 and 69951.

LCM(69945,69951) = 31 × 51 × 46631 × 71 × 33311
LCM(69945,69951) = 1630907565