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What is the Least Common Multiple of 65960 and 65968?

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 65960 and 65968 is 543906160.

LCM(65960,65968) = 543906160

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Least Common Multiple of 65960 and 65968 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65960 and 65968, than apply into the LCM equation.

GCF(65960,65968) = 8
LCM(65960,65968) = ( 65960 × 65968) / 8
LCM(65960,65968) = 4351249280 / 8
LCM(65960,65968) = 543906160

Least Common Multiple (LCM) of 65960 and 65968 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65960 and 65968. First we will calculate the prime factors of 65960 and 65968.

Prime Factorization of 65960

Prime factors of 65960 are 2, 5, 17, 97. Prime factorization of 65960 in exponential form is:

65960 = 23 × 51 × 171 × 971

Prime Factorization of 65968

Prime factors of 65968 are 2, 7, 19, 31. Prime factorization of 65968 in exponential form is:

65968 = 24 × 71 × 191 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 65960 and 65968.

LCM(65960,65968) = 24 × 51 × 171 × 971 × 71 × 191 × 311
LCM(65960,65968) = 543906160