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What is the Least Common Multiple of 68408 and 68425?

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 68408 and 68425 is 275342200.

LCM(68408,68425) = 275342200

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Least Common Multiple of 68408 and 68425 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68408 and 68425, than apply into the LCM equation.

GCF(68408,68425) = 17
LCM(68408,68425) = ( 68408 × 68425) / 17
LCM(68408,68425) = 4680817400 / 17
LCM(68408,68425) = 275342200

Least Common Multiple (LCM) of 68408 and 68425 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68408 and 68425. First we will calculate the prime factors of 68408 and 68425.

Prime Factorization of 68408

Prime factors of 68408 are 2, 17, 503. Prime factorization of 68408 in exponential form is:

68408 = 23 × 171 × 5031

Prime Factorization of 68425

Prime factors of 68425 are 5, 7, 17, 23. Prime factorization of 68425 in exponential form is:

68425 = 52 × 71 × 171 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 68408 and 68425.

LCM(68408,68425) = 23 × 171 × 5031 × 52 × 71 × 231
LCM(68408,68425) = 275342200