What is the Least Common Multiple of 76920 and 76925?
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 76920 and 76925 is 1183414200.
LCM(76920,76925) = 1183414200
Least Common Multiple of 76920 and 76925 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76920 and 76925, than apply into the LCM equation.
GCF(76920,76925) = 5
LCM(76920,76925) = ( 76920 × 76925) / 5
LCM(76920,76925) = 5917071000 / 5
LCM(76920,76925) = 1183414200
Least Common Multiple (LCM) of 76920 and 76925 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 76920 and 76925. First we will calculate the prime factors of 76920 and 76925.
Prime Factorization of 76920
Prime factors of 76920 are 2, 3, 5, 641. Prime factorization of 76920 in exponential form is:
76920 = 23 × 31 × 51 × 6411
Prime Factorization of 76925
Prime factors of 76925 are 5, 17, 181. Prime factorization of 76925 in exponential form is:
76925 = 52 × 171 × 1811
Now multiplying the highest exponent prime factors to calculate the LCM of 76920 and 76925.
LCM(76920,76925) = 23 × 31 × 52 × 6411 × 171 × 1811
LCM(76920,76925) = 1183414200
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