the longest string of prime factor for 30 is 2 x 3 x 5
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The Fundamental Theorem of Arithmetic states that there is only one prime factorisation string for any number. So it is the longest string as well as the shortest string!
30 = 2*3*5
The longest factor string of 30 is 2 x 3 x 5.
30 has three prime factors. The prime factors are 2,3,5.
The factors of 30 are: 1, 2, 3, 5, 6, 10, 15, and 30. The prime factors of 30 are: 2, 3, and 5.
The prime factors of 30 are 2, 3 and 5. The prime factors of 40 are 2 and 5. The prime numbers between 30 and 40 are 31 and 37.
3 and 10 are factors of 30. Only 3 is prime.