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What is the Least Common Multiple of 7634 and 7642?

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 7634 and 7642 is 29169514.

LCM(7634,7642) = 29169514

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Least Common Multiple of 7634 and 7642 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7634 and 7642, than apply into the LCM equation.

GCF(7634,7642) = 2
LCM(7634,7642) = ( 7634 × 7642) / 2
LCM(7634,7642) = 58339028 / 2
LCM(7634,7642) = 29169514

Least Common Multiple (LCM) of 7634 and 7642 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7634 and 7642. First we will calculate the prime factors of 7634 and 7642.

Prime Factorization of 7634

Prime factors of 7634 are 2, 11, 347. Prime factorization of 7634 in exponential form is:

7634 = 21 × 111 × 3471

Prime Factorization of 7642

Prime factors of 7642 are 2, 3821. Prime factorization of 7642 in exponential form is:

7642 = 21 × 38211

Now multiplying the highest exponent prime factors to calculate the LCM of 7634 and 7642.

LCM(7634,7642) = 21 × 111 × 3471 × 38211
LCM(7634,7642) = 29169514