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What is the Least Common Multiple of 67624 and 67628?

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 67624 and 67628 is 1143318968.

LCM(67624,67628) = 1143318968

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Least Common Multiple of 67624 and 67628 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67624 and 67628, than apply into the LCM equation.

GCF(67624,67628) = 4
LCM(67624,67628) = ( 67624 × 67628) / 4
LCM(67624,67628) = 4573275872 / 4
LCM(67624,67628) = 1143318968

Least Common Multiple (LCM) of 67624 and 67628 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67624 and 67628. First we will calculate the prime factors of 67624 and 67628.

Prime Factorization of 67624

Prime factors of 67624 are 2, 79, 107. Prime factorization of 67624 in exponential form is:

67624 = 23 × 791 × 1071

Prime Factorization of 67628

Prime factors of 67628 are 2, 11, 29, 53. Prime factorization of 67628 in exponential form is:

67628 = 22 × 111 × 291 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 67624 and 67628.

LCM(67624,67628) = 23 × 791 × 1071 × 111 × 291 × 531
LCM(67624,67628) = 1143318968