2, 5, 7 and 11
2^2x5x7x11
No.
What are the greatest common factors of 990 and 1540
2x2x5x7x11
Actually 2x2x5x7x11 is a prime factorization and on multiplying these numbers we get 1540. Prime factorization of a number is the prime numbers which on multiplying together give that number.
1540!! :)
The express product of 1540 refers to its prime factorization, which is the product of prime numbers that multiply together to give the original number. The prime factorization of 1540 is (2^2 \times 5 \times 7 \times 11). This means that 1540 can be expressed as (2 \times 2 \times 5 \times 7 \times 11).
2 x 2 x 5 x 7 x 11 = 1540
1,2,4,5,7,10,11,14,20,22,28,35,44,55,70,77,110,140,154,220,308,385,770,1540
1540 = 2 x 2 x 5 x 7 x 11 All of its prime factors are not even in quantity, hence it's not a perfect square number. PS You could've used a calculator instead.
2 x 2 x 5 x 7 x 11 = 1540
No. All even numbers (except 2) are composite.