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What is the Least Common Multiple of 64989 and 65002?

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 64989 and 65002 is 4224414978.

LCM(64989,65002) = 4224414978

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Least Common Multiple of 64989 and 65002 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64989 and 65002, than apply into the LCM equation.

GCF(64989,65002) = 1
LCM(64989,65002) = ( 64989 × 65002) / 1
LCM(64989,65002) = 4224414978 / 1
LCM(64989,65002) = 4224414978

Least Common Multiple (LCM) of 64989 and 65002 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64989 and 65002. First we will calculate the prime factors of 64989 and 65002.

Prime Factorization of 64989

Prime factors of 64989 are 3, 29, 83. Prime factorization of 64989 in exponential form is:

64989 = 33 × 291 × 831

Prime Factorization of 65002

Prime factors of 65002 are 2, 7, 4643. Prime factorization of 65002 in exponential form is:

65002 = 21 × 71 × 46431

Now multiplying the highest exponent prime factors to calculate the LCM of 64989 and 65002.

LCM(64989,65002) = 33 × 291 × 831 × 21 × 71 × 46431
LCM(64989,65002) = 4224414978