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What is the Least Common Multiple of 40072 and 40091?

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 40072 and 40091 is 1606526552.

LCM(40072,40091) = 1606526552

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Least Common Multiple of 40072 and 40091 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40072 and 40091, than apply into the LCM equation.

GCF(40072,40091) = 1
LCM(40072,40091) = ( 40072 × 40091) / 1
LCM(40072,40091) = 1606526552 / 1
LCM(40072,40091) = 1606526552

Least Common Multiple (LCM) of 40072 and 40091 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40072 and 40091. First we will calculate the prime factors of 40072 and 40091.

Prime Factorization of 40072

Prime factors of 40072 are 2, 5009. Prime factorization of 40072 in exponential form is:

40072 = 23 × 50091

Prime Factorization of 40091

Prime factors of 40091 are 47, 853. Prime factorization of 40091 in exponential form is:

40091 = 471 × 8531

Now multiplying the highest exponent prime factors to calculate the LCM of 40072 and 40091.

LCM(40072,40091) = 23 × 50091 × 471 × 8531
LCM(40072,40091) = 1606526552