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What is the Least Common Multiple of 65961 and 65981?

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 65961 and 65981 is 4352172741.

LCM(65961,65981) = 4352172741

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Least Common Multiple of 65961 and 65981 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65961 and 65981, than apply into the LCM equation.

GCF(65961,65981) = 1
LCM(65961,65981) = ( 65961 × 65981) / 1
LCM(65961,65981) = 4352172741 / 1
LCM(65961,65981) = 4352172741

Least Common Multiple (LCM) of 65961 and 65981 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65961 and 65981. First we will calculate the prime factors of 65961 and 65981.

Prime Factorization of 65961

Prime factors of 65961 are 3, 7, 349. Prime factorization of 65961 in exponential form is:

65961 = 33 × 71 × 3491

Prime Factorization of 65981

Prime factors of 65981 are 65981. Prime factorization of 65981 in exponential form is:

65981 = 659811

Now multiplying the highest exponent prime factors to calculate the LCM of 65961 and 65981.

LCM(65961,65981) = 33 × 71 × 3491 × 659811
LCM(65961,65981) = 4352172741