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What is the Least Common Multiple of 87874 and 87885?

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 87874 and 87885 is 7722806490.

LCM(87874,87885) = 7722806490

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Least Common Multiple of 87874 and 87885 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87874 and 87885, than apply into the LCM equation.

GCF(87874,87885) = 1
LCM(87874,87885) = ( 87874 × 87885) / 1
LCM(87874,87885) = 7722806490 / 1
LCM(87874,87885) = 7722806490

Least Common Multiple (LCM) of 87874 and 87885 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87874 and 87885. First we will calculate the prime factors of 87874 and 87885.

Prime Factorization of 87874

Prime factors of 87874 are 2, 53, 829. Prime factorization of 87874 in exponential form is:

87874 = 21 × 531 × 8291

Prime Factorization of 87885

Prime factors of 87885 are 3, 5, 7, 31. Prime factorization of 87885 in exponential form is:

87885 = 34 × 51 × 71 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 87874 and 87885.

LCM(87874,87885) = 21 × 531 × 8291 × 34 × 51 × 71 × 311
LCM(87874,87885) = 7722806490