The prime factors of 990 are 2 and 3 and 5 and 11.
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The best way to tackle this is to take the largest 3 digit number (999) and work out its prime factors. You can then work down until you get one with exactly five prime factors. 999 is 3x3x3x37, 998 is 2x499, 997 is prime, 996 is 2x2x3x83, 995 is 5x199, 994 is 2x7x71, 993 is 3x331, 992 is 2x2x2x2x2x31, 991 is prime, 990 is 2x3x3x5x11. That is the first we came across with five prime factors. Therefore the largest 3 digit number with exactly five prime factors is 990.
What are the greatest common factors of 990 and 1540
The factors of 233357 are: 1 233357 The prime factors are: (233357 is a prime number)
All numbers have factors. Some factors are prime numbers. These are known as prime factors. 2 and 3 are prime factors of 6. 1 and 6 are not prime factors of 6.
The prime factors of 84 are: 2,3,7The prime factors of 360 are: 2,3,5