What is the Least Common Multiple of 77240 and 77252?
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 77240 and 77252 is 1491736120.
LCM(77240,77252) = 1491736120
Least Common Multiple of 77240 and 77252 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77240 and 77252, than apply into the LCM equation.
GCF(77240,77252) = 4
LCM(77240,77252) = ( 77240 × 77252) / 4
LCM(77240,77252) = 5966944480 / 4
LCM(77240,77252) = 1491736120
Least Common Multiple (LCM) of 77240 and 77252 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 77240 and 77252. First we will calculate the prime factors of 77240 and 77252.
Prime Factorization of 77240
Prime factors of 77240 are 2, 5, 1931. Prime factorization of 77240 in exponential form is:
77240 = 23 × 51 × 19311
Prime Factorization of 77252
Prime factors of 77252 are 2, 7, 31, 89. Prime factorization of 77252 in exponential form is:
77252 = 22 × 71 × 311 × 891
Now multiplying the highest exponent prime factors to calculate the LCM of 77240 and 77252.
LCM(77240,77252) = 23 × 51 × 19311 × 71 × 311 × 891
LCM(77240,77252) = 1491736120
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