The prime factor decompositions of two numbers are given below.
2970=2 x 3³ x 5 x 11
6930=2 x 3² 5 x 7 x 11
Work out the smallest common factor of 2970 and 6930 that satisfies the following statements:
The common factor is not a multiple of 9.
The common factor is greater than 40.

Q&A Education