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What is the Least Common Multiple of 1574 and 1587?

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 1574 and 1587 is 2497938.

LCM(1574,1587) = 2497938

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Least Common Multiple of 1574 and 1587 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1574 and 1587, than apply into the LCM equation.

GCF(1574,1587) = 1
LCM(1574,1587) = ( 1574 × 1587) / 1
LCM(1574,1587) = 2497938 / 1
LCM(1574,1587) = 2497938

Least Common Multiple (LCM) of 1574 and 1587 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1574 and 1587. First we will calculate the prime factors of 1574 and 1587.

Prime Factorization of 1574

Prime factors of 1574 are 2, 787. Prime factorization of 1574 in exponential form is:

1574 = 21 × 7871

Prime Factorization of 1587

Prime factors of 1587 are 3, 23. Prime factorization of 1587 in exponential form is:

1587 = 31 × 232

Now multiplying the highest exponent prime factors to calculate the LCM of 1574 and 1587.

LCM(1574,1587) = 21 × 7871 × 31 × 232
LCM(1574,1587) = 2497938