find the pairs of 8 and 20 16 and 40 by using listening mehod
Answers
Answered by
1
Answer:
40
Step-by-step explanation:
Prime factorization of 8 and 20 is (2 × 2 × 2) = 23 and (2 × 2 × 5) = 22 × 51 respectively. LCM of 8 and 20 can be obtained by multiplying prime factors raised to their respective highest power, i.e. 23 × 51 = 40.
Hence, the LCM of 8 and 20 by prime factorization is 40.
Answered by
1
Answer:
The GCF of 8 and 16 is 8. To calculate the GCF of 8 and 16, we need to factor each number (factors of 8 = 1, 2, 4, 8; factors of 16 = 1, 2, 4, 8, 16) and choose the greatest factor that exactly divides both 8 and 16, i.e., 8.
20-1, 2, 4, 5, 10, 20
40 = 1, 2, 4, 5, 8, 10, 20 and 40.
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