Q: Why is 39 49 69 99 not a prime number?

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Let the number is x So, X+20=69 X=69-20 X=49 THE NUMBER IS 49 SO, 49 plus 20 equal to 69 .•.

No, 69/3 = 23 so it's not a prime number

The prime numbers that divide 69 evenly are 3 and 23.

79-prime (1 times 79) 69-composite (2 times 69)

Composite

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29 & 59

39 = 3 x13 49 = 7 x 7 59 = prime 69 = 3 x 23 79 = prime 89 = prime 99 = 3 x 33

29 and 59 are prime numbers.

3339515969 = 41 x 1867 x 43627 and so it is not a prime.

Let the number is x So, X+20=69 X=69-20 X=49 THE NUMBER IS 49 SO, 49 plus 20 equal to 69 .•.

No, 69/3 = 23 so it's not a prime number

69 is composite. Its prime factorization is 3 * 23.

71 is least Prime Number that is greater than 69.

The prime numbers that divide 69 evenly are 3 and 23.

79-prime (1 times 79) 69-composite (2 times 69)

19 is a composite number because it has factors other than 1 and itself. It is not a prime number. The factors of 69 are 1, 3, 23, and 69. The prime factors of 69 are 3 x 23.

Composite