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What is the Least Common Multiple of 87450 and 87461?

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 87450 and 87461 is 695314950.

LCM(87450,87461) = 695314950

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Least Common Multiple of 87450 and 87461 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87450 and 87461, than apply into the LCM equation.

GCF(87450,87461) = 11
LCM(87450,87461) = ( 87450 × 87461) / 11
LCM(87450,87461) = 7648464450 / 11
LCM(87450,87461) = 695314950

Least Common Multiple (LCM) of 87450 and 87461 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87450 and 87461. First we will calculate the prime factors of 87450 and 87461.

Prime Factorization of 87450

Prime factors of 87450 are 2, 3, 5, 11, 53. Prime factorization of 87450 in exponential form is:

87450 = 21 × 31 × 52 × 111 × 531

Prime Factorization of 87461

Prime factors of 87461 are 11, 7951. Prime factorization of 87461 in exponential form is:

87461 = 111 × 79511

Now multiplying the highest exponent prime factors to calculate the LCM of 87450 and 87461.

LCM(87450,87461) = 21 × 31 × 52 × 111 × 531 × 79511
LCM(87450,87461) = 695314950