0
Still curious? Ask our experts.
Chat with our AI personalities
Professor
Fran
LaoAdd your answer:
Earn +20 pts
What number has the prime factor 2 3 and 7?
168
What is the greatest common factor of 140 and 168?
The greatest common factor can be calculated by identifying the common prime factors and multiplying them together. The prime factors of 140 are 2, 2, 5, and 7. The prime factors of 168 are 2, 2, 2, 3, and 7. The prime factors they have in common are 2, 2, and 7, so their greatest common factor is 2 x 2 x 7 = 28. Another way to approach this is to look at the difference between 140 and 168, which is 28. The greatest common factor of two numbers cannot be larger than the difference between the two numbers. Since both 140 and 168 are divisible by 28, the greatest common factor is 28.
Is 168 a prime or a composite number?
No 168 is not a prime number it is a composite number
How do you get the answer for 168 as a product of the prime numbers?
To find the prime factors of a number, divide the number by each prime number up to the greatest prime that will go into the number leaving no remainder. This is the process for factorization of 168: 168/2=84 84/2=42 42/2=21 21/3=7 7/7=1 Listing each divisor as a prime factor, the prime factors of 324 iare 2x2x2x3x7.
What are the prime facorizations of 168?
As a product of its prime factors: 2*2*2*3*7 = 168
