840- 2 2 2 5 7 3840- 2 3rd power, *5*7*3840- 2*2*2*5*7*3
The LCM is: 840
72 Divide by two. 36,2 Divide by two. 18,2,2 Divide by two. 9,2,2,2 Divide by three. 3,3,2,2,2 Stop. 2 x 2 x 2 x 3 x 3 = 72
The LCM of 20, 24, and 28 is 840
The GCF is 40. The LCM is 6720. The GCD is infinite.
3,3,3,7
2x2x2x19
23 is prime, therefore 1 and 23.
3 x 83
The prime factorization of 22 is: 2 x 11.
To express a composite number as the product of its prime factors.
3 x 37 = 111
2 x 7 = 14
3 x 569 = 1701
It is: 2*2*23 = 92
65 = 13 x 5
Prime factorization of 28 is 22x7 So the prime factors are 2 and 7