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What is the LCM of 26 and 15?
To find the LCM of these numbers, you have to split them into their prime factors: 15 = 3x5 26 = 2x13 The next step would be to identify any common prime factors. However in this case there are none. Thus to find the LCM you just multiply the two numbers together: 15x26 = 390 And so the LCM of 15 and 26 is 390.
Is 390 a composite number?
Yes, 390 is a composite number. It has factors other than 1 and 390. The factors of 390 are 1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, and 390.
What factors of 390 add up to 29?
1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390.
How do you make a factor tree 293?
360 180,2 90,2,2 45,2,2,2 15,3,2,2,2 5,3,3,2,2,2
What is the GCF of 290 and 390?
The factors of 3 are:1, 3The factors of 15 are:1, 3, 5, 15The factors of 30 are:1, 2, 3, 5, 6, 10, 15, 30The factors of 150 are:1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150The factors of 300 are:1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300The factors of 1500 are:1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1500The common factors are:1, 3The Greatest Common Factor (GCF) is:3
