Question

LCM of 9,3,21 show the prime factorisation

Answer 1

Step-by-step explanation:

Find the LCM of these sets of numbers. Multiply each factor the greatest number of times it occurs in any of the numbers. 9 has two 3s, and 21 has one 7, so we multiply 3 two times, and 7 once. This gives us 63, the smallest number that can be divided evenly by 3, 9, and 21.

Answer 2

Answer:

this is the answer

LCM of 9 is 3×3

LCM of 3 is 3×1

LCM of 21 is 7×3