17 and 19, 72 and 24
17 and 19 are prime numbers, so their least common multiple is their product: 17 × 19 = 323
72 can be divided by 24, so the greatest common factor of 72 and 24 is 24, and the least common multiple is 72
17 and 19 are prime numbers, so their least common multiple is their product: 17 × 19 = 323
72 can be divided by 24, so the greatest common factor of 72 and 24 is 24, and the least common multiple is 72