What is the Least Common Multiple of 626 and 637?
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 626 and 637 is 398762.
LCM(626,637) = 398762
Least Common Multiple of 626 and 637 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 626 and 637, than apply into the LCM equation.
GCF(626,637) = 1
LCM(626,637) = ( 626 × 637) / 1
LCM(626,637) = 398762 / 1
LCM(626,637) = 398762
Least Common Multiple (LCM) of 626 and 637 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 626 and 637. First we will calculate the prime factors of 626 and 637.
Prime Factorization of 626
Prime factors of 626 are 2, 313. Prime factorization of 626 in exponential form is:
626 = 21 × 3131
Prime Factorization of 637
Prime factors of 637 are 7, 13. Prime factorization of 637 in exponential form is:
637 = 72 × 131
Now multiplying the highest exponent prime factors to calculate the LCM of 626 and 637.
LCM(626,637) = 21 × 3131 × 72 × 131
LCM(626,637) = 398762
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