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What is the Least Common Multiple of 87397 and 87406?

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 87397 and 87406 is 7639022182.

LCM(87397,87406) = 7639022182

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Least Common Multiple of 87397 and 87406 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87397 and 87406, than apply into the LCM equation.

GCF(87397,87406) = 1
LCM(87397,87406) = ( 87397 × 87406) / 1
LCM(87397,87406) = 7639022182 / 1
LCM(87397,87406) = 7639022182

Least Common Multiple (LCM) of 87397 and 87406 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87397 and 87406. First we will calculate the prime factors of 87397 and 87406.

Prime Factorization of 87397

Prime factors of 87397 are 17, 53, 97. Prime factorization of 87397 in exponential form is:

87397 = 171 × 531 × 971

Prime Factorization of 87406

Prime factors of 87406 are 2, 11, 29, 137. Prime factorization of 87406 in exponential form is:

87406 = 21 × 111 × 291 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 87397 and 87406.

LCM(87397,87406) = 171 × 531 × 971 × 21 × 111 × 291 × 1371
LCM(87397,87406) = 7639022182