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What is the Least Common Multiple of 64966 and 64971?

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 64966 and 64971 is 4220905986.

LCM(64966,64971) = 4220905986

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Least Common Multiple of 64966 and 64971 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64966 and 64971, than apply into the LCM equation.

GCF(64966,64971) = 1
LCM(64966,64971) = ( 64966 × 64971) / 1
LCM(64966,64971) = 4220905986 / 1
LCM(64966,64971) = 4220905986

Least Common Multiple (LCM) of 64966 and 64971 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64966 and 64971. First we will calculate the prime factors of 64966 and 64971.

Prime Factorization of 64966

Prime factors of 64966 are 2, 11, 2953. Prime factorization of 64966 in exponential form is:

64966 = 21 × 111 × 29531

Prime Factorization of 64971

Prime factors of 64971 are 3, 7219. Prime factorization of 64971 in exponential form is:

64971 = 32 × 72191

Now multiplying the highest exponent prime factors to calculate the LCM of 64966 and 64971.

LCM(64966,64971) = 21 × 111 × 29531 × 32 × 72191
LCM(64966,64971) = 4220905986