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What is the Least Common Multiple of 67967 and 67971?

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 67967 and 67971 is 4619784957.

LCM(67967,67971) = 4619784957

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Least Common Multiple of 67967 and 67971 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67967 and 67971, than apply into the LCM equation.

GCF(67967,67971) = 1
LCM(67967,67971) = ( 67967 × 67971) / 1
LCM(67967,67971) = 4619784957 / 1
LCM(67967,67971) = 4619784957

Least Common Multiple (LCM) of 67967 and 67971 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67967 and 67971. First we will calculate the prime factors of 67967 and 67971.

Prime Factorization of 67967

Prime factors of 67967 are 67967. Prime factorization of 67967 in exponential form is:

67967 = 679671

Prime Factorization of 67971

Prime factors of 67971 are 3, 139, 163. Prime factorization of 67971 in exponential form is:

67971 = 31 × 1391 × 1631

Now multiplying the highest exponent prime factors to calculate the LCM of 67967 and 67971.

LCM(67967,67971) = 679671 × 31 × 1391 × 1631
LCM(67967,67971) = 4619784957