What is the Least Common Multiple of 702 and 722?
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 702 and 722 is 253422.
LCM(702,722) = 253422
Least Common Multiple of 702 and 722 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 702 and 722, than apply into the LCM equation.
GCF(702,722) = 2
LCM(702,722) = ( 702 × 722) / 2
LCM(702,722) = 506844 / 2
LCM(702,722) = 253422
Least Common Multiple (LCM) of 702 and 722 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 702 and 722. First we will calculate the prime factors of 702 and 722.
Prime Factorization of 702
Prime factors of 702 are 2, 3, 13. Prime factorization of 702 in exponential form is:
702 = 21 × 33 × 131
Prime Factorization of 722
Prime factors of 722 are 2, 19. Prime factorization of 722 in exponential form is:
722 = 21 × 192
Now multiplying the highest exponent prime factors to calculate the LCM of 702 and 722.
LCM(702,722) = 21 × 33 × 131 × 192
LCM(702,722) = 253422
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