Maths

>

KS3

Numbers

Question

Prove that 63 is not a prime number.

3 years ago

·

1 Reply

·

1748 views

A

Annette Rutherford


1 Answer

Richard A Profile Picture
Richard A Verified Sherpa Tutor ✓

Primary Teacher with 15 years teaching experience. 11+ tuition.

Hello! How's it going? For a number to be prime it should have exactly two factors! 63 is not prime as it is divisible by 1, 3, 7, 9, 21, 63! Hope that helps!

I'm available for 1:1 private online tuition!

Click here to view my profile and arrange a free introduction.

Think you can help?

More Maths KS3 Questions
Sherpa Badge

Need a KS3 Maths tutor?

Get started with a free online introductions with an experienced and qualified online tutor on Sherpa.

Find a KS3 Maths Tutor