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What is the Least Common Multiple of 7636 and 7643?

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 7636 and 7643 is 58361948.

LCM(7636,7643) = 58361948

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Least Common Multiple of 7636 and 7643 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7636 and 7643, than apply into the LCM equation.

GCF(7636,7643) = 1
LCM(7636,7643) = ( 7636 × 7643) / 1
LCM(7636,7643) = 58361948 / 1
LCM(7636,7643) = 58361948

Least Common Multiple (LCM) of 7636 and 7643 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7636 and 7643. First we will calculate the prime factors of 7636 and 7643.

Prime Factorization of 7636

Prime factors of 7636 are 2, 23, 83. Prime factorization of 7636 in exponential form is:

7636 = 22 × 231 × 831

Prime Factorization of 7643

Prime factors of 7643 are 7643. Prime factorization of 7643 in exponential form is:

7643 = 76431

Now multiplying the highest exponent prime factors to calculate the LCM of 7636 and 7643.

LCM(7636,7643) = 22 × 231 × 831 × 76431
LCM(7636,7643) = 58361948