What is the Least Common Multiple of 837 and 856?
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 837 and 856 is 716472.
LCM(837,856) = 716472
Least Common Multiple of 837 and 856 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 837 and 856, than apply into the LCM equation.
GCF(837,856) = 1
LCM(837,856) = ( 837 × 856) / 1
LCM(837,856) = 716472 / 1
LCM(837,856) = 716472
Least Common Multiple (LCM) of 837 and 856 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 837 and 856. First we will calculate the prime factors of 837 and 856.
Prime Factorization of 837
Prime factors of 837 are 3, 31. Prime factorization of 837 in exponential form is:
837 = 33 × 311
Prime Factorization of 856
Prime factors of 856 are 2, 107. Prime factorization of 856 in exponential form is:
856 = 23 × 1071
Now multiplying the highest exponent prime factors to calculate the LCM of 837 and 856.
LCM(837,856) = 33 × 311 × 23 × 1071
LCM(837,856) = 716472
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