Question

How is 20 written as the product of primes. *

5x4
2 x 2 x 4 x 5
2 x 2 x 1 x 5
2 x 2 x 5

Answer 1

Answer:

To write a number as product of its primes, we divide it by various prime numbers 2,3,5,7 etc one by one and check by which prime numbers it is divisible with and how many times.

Hence, 20 = 2 × 10 = 2 × 2 × 5

Answer 2

Answer:

this is ur answer

Step-by-step explanation:

2×10

=20

these are prime

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