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What is the Least Common Multiple of 66965 and 66972?

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 66965 and 66972 is 4484779980.

LCM(66965,66972) = 4484779980

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Least Common Multiple of 66965 and 66972 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66965 and 66972, than apply into the LCM equation.

GCF(66965,66972) = 1
LCM(66965,66972) = ( 66965 × 66972) / 1
LCM(66965,66972) = 4484779980 / 1
LCM(66965,66972) = 4484779980

Least Common Multiple (LCM) of 66965 and 66972 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66965 and 66972. First we will calculate the prime factors of 66965 and 66972.

Prime Factorization of 66965

Prime factors of 66965 are 5, 59, 227. Prime factorization of 66965 in exponential form is:

66965 = 51 × 591 × 2271

Prime Factorization of 66972

Prime factors of 66972 are 2, 3, 5581. Prime factorization of 66972 in exponential form is:

66972 = 22 × 31 × 55811

Now multiplying the highest exponent prime factors to calculate the LCM of 66965 and 66972.

LCM(66965,66972) = 51 × 591 × 2271 × 22 × 31 × 55811
LCM(66965,66972) = 4484779980