What is the Least Common Multiple of 617 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 617 and 637 is 393029.
LCM(617,637) = 393029
Least Common Multiple of 617 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 617 and 637, than apply into the LCM equation.
GCF(617,637) = 1
LCM(617,637) = ( 617 × 637) / 1
LCM(617,637) = 393029 / 1
LCM(617,637) = 393029
Least Common Multiple (LCM) of 617 and 637 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 617 and 637. First we will calculate the prime factors of 617 and 637.
Prime Factorization of 617
Prime factors of 617 are 617. Prime factorization of 617 in exponential form is:
617 = 6171
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 617 and 637.
LCM(617,637) = 6171 × 72 × 131
LCM(617,637) = 393029
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