Which of the following numbers is the product of exactly 3 distinct - Figure it out - Page 114, 115

Remove Ads Take short quiz All Quiz and Worksheets
Teachoo · Class 6 Explore Class 6

Transcript

Question 10 Which of the following numbers is the product of exactly three distinct prime numbers: 45, 60, 91, 105, 330?Let's find the prime factorization of each number: 45 = 3 × 3 × 5 (not three distinct primes) 60 = 2 × 2 × 3 × 5 (four factors, not distinct) 91 = 7 × 13 (two primes) 105 = 3 × 5 × 7 (three distinct primes) 330 = 2 × 3 × 5 × 11 (four distinct primes) Thus, the correct number is 105.

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh is an IIT Kanpur graduate and has been teaching for 16+ years. At Teachoo, he breaks down Maths, Science and Computer Science into simple steps so students understand concepts deeply and score with confidence.

Many students prefer Teachoo Black for a smooth, ad-free learning experience.