What is the Least Common Multiple of 632 and 648?
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 632 and 648 is 51192.
LCM(632,648) = 51192
Least Common Multiple of 632 and 648 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 632 and 648, than apply into the LCM equation.
GCF(632,648) = 8
LCM(632,648) = ( 632 × 648) / 8
LCM(632,648) = 409536 / 8
LCM(632,648) = 51192
Least Common Multiple (LCM) of 632 and 648 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 632 and 648. First we will calculate the prime factors of 632 and 648.
Prime Factorization of 632
Prime factors of 632 are 2, 79. Prime factorization of 632 in exponential form is:
632 = 23 × 791
Prime Factorization of 648
Prime factors of 648 are 2, 3. Prime factorization of 648 in exponential form is:
648 = 23 × 34
Now multiplying the highest exponent prime factors to calculate the LCM of 632 and 648.
LCM(632,648) = 23 × 791 × 34
LCM(632,648) = 51192
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