CBSE Class 6 Answered
a number divisible by 7 and 3 but not by 21
Asked by roopali9457 | 22 Jun, 2021, 07:59: AM
Expert Answer
21 can be expressed as a product of prime numbers.
21 = 7 x 3.
Therefore, a number divisible by 7 and 3, still can't be divisible by 21 doesn't exist.
As 21 itself is a product of the 3 and 7 which are two prime numbers.
Answered by Yasmeen Khan | 22 Jun, 2021, 08:34: AM
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