Question

the lcm by using any one of the method 3,5,7,13​

Answer 1

Answer:

These solutions for Hcf And Lcm are extremely popular among Class 7 students for ... Hence, the twin prime numbers from 1 to 50 are (2,3), (5,7), (11, 12), (17,19) and (29,30). ... LCM = 3 × 5 × 7 × 13 = 1365

Answer 2

★ Required Answer:

3 | 3, 5, 7, 13

5 | 1, 5, 7, 13

7 | 1, 1, 7, 13

13 | 1, 1, 1, 13

| 1, 1, 1, 1

L.C.M. = 3 × 5 × 7 × 13 = 1365

I've done this by the common division method.

★ More Information:-

L.C.M. stands for Lowest Common Multiple. The L.C.M of two or more given numbers is the lowest (smallest) number that is a multiple of each of the given numbers.

Common Multiple Method:-

L.C.M of 15 and 25

• Multiples of 15 = 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165,....
• Multiples of 25 = 25, 50, 75, 100, 125, 150, 175,...

Common Multiples of 15 and 25 = 75, 150

∴ L.C.M of 15 and 25 = 75