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What is the Least Common Multiple of 69645 and 69662?

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 69645 and 69662 is 4851609990.

LCM(69645,69662) = 4851609990

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Least Common Multiple of 69645 and 69662 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69645 and 69662, than apply into the LCM equation.

GCF(69645,69662) = 1
LCM(69645,69662) = ( 69645 × 69662) / 1
LCM(69645,69662) = 4851609990 / 1
LCM(69645,69662) = 4851609990

Least Common Multiple (LCM) of 69645 and 69662 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69645 and 69662. First we will calculate the prime factors of 69645 and 69662.

Prime Factorization of 69645

Prime factors of 69645 are 3, 5, 4643. Prime factorization of 69645 in exponential form is:

69645 = 31 × 51 × 46431

Prime Factorization of 69662

Prime factors of 69662 are 2, 61, 571. Prime factorization of 69662 in exponential form is:

69662 = 21 × 611 × 5711

Now multiplying the highest exponent prime factors to calculate the LCM of 69645 and 69662.

LCM(69645,69662) = 31 × 51 × 46431 × 21 × 611 × 5711
LCM(69645,69662) = 4851609990