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What is the Least Common Multiple of 7590 and 7610?

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 7590 and 7610 is 5775990.

LCM(7590,7610) = 5775990

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Least Common Multiple of 7590 and 7610 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7590 and 7610, than apply into the LCM equation.

GCF(7590,7610) = 10
LCM(7590,7610) = ( 7590 × 7610) / 10
LCM(7590,7610) = 57759900 / 10
LCM(7590,7610) = 5775990

Least Common Multiple (LCM) of 7590 and 7610 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7590 and 7610. First we will calculate the prime factors of 7590 and 7610.

Prime Factorization of 7590

Prime factors of 7590 are 2, 3, 5, 11, 23. Prime factorization of 7590 in exponential form is:

7590 = 21 × 31 × 51 × 111 × 231

Prime Factorization of 7610

Prime factors of 7610 are 2, 5, 761. Prime factorization of 7610 in exponential form is:

7610 = 21 × 51 × 7611

Now multiplying the highest exponent prime factors to calculate the LCM of 7590 and 7610.

LCM(7590,7610) = 21 × 31 × 51 × 111 × 231 × 7611
LCM(7590,7610) = 5775990