The greatest common factor of 570 and 690 is 30.
2, 3 and 5
690 = 2 x 3 x 5 x 23 570 = 2 x 3 x 5 x 19
St. Olaf College's 2014 25th-75th percentile SAT Writing Scores are 570-690, meaning 25% of students scored 570 or lower on the Writing portion of the SAT, and 75% of students scored 690 or lower (i.e. 25% of students scored 690 or higher).
690 is a composite number because it has factors other than 1 and itself. It is not a prime number.The 16 factors of 690 are 1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, and 690.The factor pairs of 690 are 1 x 690, 2 x 345, 3 x 230, 5 x 138, 6 x 115, 10 x 69, 15 x 46, and 23 x 30.The proper factors of 690 are 1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, and 345 or,if the definition you are using excludes 1, they are 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, and 345.The prime factors of 690 are 2, 3, 5, and 23.The 4 distinct prime factors (listing each prime factor only once) of 690 are 2, 3, 5, and 23.The prime factorization of 690 is 2 x 3 x 5 x 23.NOTE: There cannot be common factors, a greatest common factor, or a least common multiple because "common" refers to factors or multiples that two or more numbers have in common.
Use a factor tree. 690 345,2 115,3,2 23,5,3,2
Rhode Island School of Design's 2014 25th-75th percentile SAT Math Scores are 570-690, meaning 25% of students scored 570 or lower on the Math portion of the SAT, and 75% of students scored 690 or lower (i.e. 25% of students scored 690 or higher).
Rhodes College's 2014 25th-75th percentile SAT Critical Reading Scores are 570-690, meaning 25% of students scored 570 or lower on the Critial Reading portion of the SAT, and 75% of students scored 690 or lower (i.e. 25% of students scored 690 or higher).
510, 525, 540, 555, 570, 585, 600, 615, 630, 645, 660, 675, 690
Any multiple of 690.
The answer = 4580
690, 1380 and 2070
The least common multiple (LCM) refers to a multiple that is COMMON to two or more numbers. You have only one number in the question! The least multiple of a number is itself. Furthermore, the word "LEAST" is a superlative adjective and that means there can be only one.